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EXIST Function in SQL
 
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Join Discussion: http://www.techtud.com/video-lecture/exist-function-sql IMPORTANT LINKS: 1) Official Website: http://www.techtud.com/ 2) Virtual GATE: http://virtualgate.in/login/index.php Both of the above mentioned platforms are COMPLETELY FREE, so feel free to Explore, Learn, Practice & Share! Our Social Media Links: Facebook Page: https://www.facebook.com/techtuduniversity Facebook Group: https://www.facebook.com/groups/virtualgate Google+ Page: https://plus.google.com/+techtud/posts Last but not the least, SUBSCRIBE our YouTube channel to stay updated about the regularly uploaded new videos.
Views: 42053 Techtud
The SQL EXISTS clause
 
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How to use the EXISTS clause in SQL. For beginners.
Views: 26361 Database by Doug
IN VS EXISTS VS JOIN, performance
 
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This video demonstrates the performance effects of using an exists clause instead of an IN clause, also it shows how we can update a simple sub query having an IN clause with an EXISTS or JOIN statement. It also shows that joining would consider the null data, where as an IN clause would neglect null values. If you want more such videos of exciting and amazing 'difference between' concepts, check out the links below : union and union all : https://youtu.be/n9FqQOd8liY char and varchar2 : https://youtu.be/039qzwjWf4k replace and translate : https://youtu.be/HKYF77BGzOE procedure and function : https://youtu.be/q3LmOenL120 rank and dense_rank : https://youtu.be/WGSX998hZ9M delete and truncate : https://youtu.be/u76wMm2byXo %type and %rowtype : https://youtu.be/MlLUFeZ_3eM
Views: 14095 Kishan Mashru
Understanding the use of GROUP BY clause in SQL
 
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Join discussion: http://www.techtud.com/video-lecture/understanding-group-clause-sql IMPORTANT LINKS: 1) Official Website: http://www.techtud.com/ 2) Virtual GATE: http://virtualgate.in/login/index.php Both of the above mentioned platforms are COMPLETELY FREE, so feel free to Explore, Learn, Practice & Share! Our Social Media Links: Facebook Page: https://www.facebook.com/techtuduniversity Facebook Group: https://www.facebook.com/groups/virtualgate Google+ Page: https://plus.google.com/+techtud/posts Last but not the least, SUBSCRIBE our YouTube channel to stay updated about the regularly uploaded new videos.
Views: 86489 Techtud
Lesson 4 - SELECT Clause in SQL (Oracle SQL Certification)
 
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Access all of my courses using the below discount: https://www.jobreadyprogrammer.com/p/all-access-pass/?product_id=1065350&coupon_code=60_PERCENT_DISCOUNT&preview=logged_out #Oracle #Java #Data analysis Get ready to acquire some seriously marketable programming skills! You can't consider yourself a complete end to end developer until you can code in SQL. Today, data has become the hottest topic in technology and a company's biggest asset is their data. All databases require the language SQL to store and retrieve data. Salaries for junior level SQL Developers are upwards of $70,000 - $90,000 dollars a year! The great thing is, for this course, you do not need any prior experience in programming what so ever. SQL is a different animal and we're going to demystify the language from scratch and prepare you with plenty of progressively challenging assignments so that by the time you've completed the course (in 2 months), you can call your self an Oracle SQL Master! Oracle is the most popular relational database in the world! This course will prepare you to be job-ready in just 1 month of study and practice. All exercises and solutions are in the lectures. In several lectures I ask students to pause the video and complete the assignment before resuming to watch my solution. MAKE SURE YOU WORK OUT THE PROBLEMS ON YOUR OWN BEFORE MOVING ON TO MY SOLUTION!! Who this course is for: Anyone willing to get into the software development career Anyone willing to Master SQL and get a job as a well paid Oracle SQL Developer Anyone willing to work hard in mastering the SQL language Anyone who is interested in passing the Oracle 1Z0-071 exam!
Views: 9236 Imtiaz Ahmad
Let's Learn SQL! Lesson 82 : EXIST and NOT EXIST Subqueries
 
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Explore SQL with Tom Coffing of Coffing Data Warehousing! In this lesson, learn about EXIST and NOT EXIST Subqueries!
How to connect to an Oracle Database? - Database Tutorial 37
 
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Video 37 - How to connect to a Oracle Database? - Database Tutorial 37 This video explains how to connection to an oracle database. The database, which is Oracle 11g has been installed in a Windows 7 computer.
Views: 130155 Sam Dhanasekaran
SQL Error ORA-00942 Table or View Does Not Exist in Oracle Database
 
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How to use Tab View (Data Dictionary) of Oracle Database to solve the SQL Error ORA-00942 Table or View Does Not Exist error in Oracle Database ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/ora-00942 Previous Tutorial ► ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ------------------------------------------------------------------------- ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ ___Facebook Official Page of Manish Sharma___ https://www.facebook.com/TheRebellionRider/ ___Facebook Official Page of RebellionRider.com___ https://www.facebook.com/RebellionRider.official/ You can also Email me at for E-mail address please check the About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 9714 Manish Sharma
ORACLE SQL AND PL/SQL INTERVIEW QUESTION : SUBQUERY WITH NULL / NOT IN / NOT EXISTS OR OUTER JOIN
 
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This video demonstrates the oracle sql interview question where one need to use either not in, not exists or an outer join to get the desired result. For example if one is asked to fetch records from department table where department_id is not present in employee table
Views: 2428 Kishan Mashru
Using Subqueries to Solve Queries with Oracle SQL *Plus
 
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- Create subqueries to query values based on unknown criteria - Use subqueries to find values that exist in one set of data and not in another
Views: 267 MrFphunter
GROUP BY with Multiple Columns (Introduction to Oracle SQL)
 
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Learn how to group with multiple columns using GROUP BY in SQL. The full Introduction to Oracle SQL course is available here: https://www.databasestar.com/introduction-to-oracle-sql-course/
Views: 3745 Database Star
Part 8   SQL Query to find department with highest number of employees
 
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Link for all dot net and sql server video tutorial playlists http://www.youtube.com/user/kudvenkat/playlists Link for slides, code samples and text version of the video http://csharp-video-tutorials.blogspot.com/2014/06/part-8-sql-query-to-find-department.html Scenario asked in the SQL Server Interview Based on the above two tables write a SQL Query to get the name of the Department that has got the maximum number of Employees. To answer this question it will be helpful if you the knowledge of JOINS & GROUP BY in SQL Server. We discusses these in Parts 11 & 12 of SQL Server Tutorial video series. SQL query that retrieves the department name with maximum number of employees SELECT TOP 1 DepartmentName FROM Employees JOIN Departments ON Employees.DepartmentID = Departments.DepartmentID GROUP BY DepartmentName ORDER BY COUNT(*) DESC Scenario asked in the SQL Server Interview Based on the above two tables write a SQL Query to get the name of the Department that has got the maximum number of Employees. To answer this question it will be helpful if you the knowledge of JOINS & GROUP BY in SQL Server. We discusses these in Parts 11 & 12 of SQL Server Tutorial video series. SQL query that retrieves the department name with maximum number of employees SELECT TOP 1 DepartmentName FROM Employees JOIN Departments ON Employees.DepartmentID = Departments.DepartmentID GROUP BY DepartmentName ORDER BY COUNT(*) DESC
Views: 137263 kudvenkat
SQL Tutorial 12 Advanced Subqueries returning multiple columns
 
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SQL Tutorial on Advanced Subqueries returning multiple columns Check out our website: http://www.telusko.com Follow Telusko on Twitter: https://twitter.com/navinreddy20 Follow on Facebook: Telusko : https://www.facebook.com/teluskolearnings Navin Reddy : https://www.facebook.com/navintelusko Follow Navin Reddy on Instagram: https://www.instagram.com/navinreddy20 Subscribe to our other channel: Navin Reddy : https://www.youtube.com/channel/UCxmkk8bMSOF-UBF43z-pdGQ?sub_confirmation=1 Telusko Hindi : https://www.youtube.com/channel/UCitzw4ROeTVGRRLnCPws-cw?sub_confirmation=1
Views: 77941 Telusko
Oracle Database11g tutorials 14 : How to CREATE TABLE using sql developer and command prompt
 
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Oracle Database11g tutorials 14 How to Create table using command prompt and Create table using sql developer Blog Link http://bit.ly/1TkY4Oe Time Line 0:25 Introduction of Tables in Database 1:03 What is Create Table (Introduction of create table) 1:30 Syntax of Create Table 2:08 How to create table using Command Prompt 4:55 How to create table using SQL Developer Links for Oracle Database tutorials 4: database connectivity using SQL developer and command prompt http://youtu.be/wSqoXRlXDUU You can have indepth knowledge about SQL create table here http://www.rebellionrider.com/sql-create-table.html Tool used in this tutorial is command prompt. This tutorial series is part of SQL expert exam certification training. if you are preparing for SQL certification you can use my tutorials. This SQL Tutorial is a part of free training. Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=j7eYO7 Contacts E-Mail [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/rebellionrider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. http://in.linkedin.com/in/mannbhardwaj/ Thanks for linking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com Today in this oracle database tutorial we will see How to CREATE A TABLE. if we have to define a table in layman language then we can say that Tables are just a collection of Rows and Columns but In RDBMS tables are database objects which help in organizing data into ROWS and COLUMNS. We can also say that SQL tables are kind of data structure which are used by database for efficient storage of data. To create a table in our database we use SQL CREATE TABLE command. SQL CREATE TABLE is a type of DATA DEFINITION LANGUAGE also known as DDL. To Create a table in your schema you will require CREATE TABLE system privilege. In our future videos we will see what are system and object privileges and how to grant them to a user. Today for this video we will be using Sample schema HR which already has all the necessary privileges. Ohk Let's see the syntax. CREATE TABLE table name ( column name1 Data-Type(size), column name2 Data-Type(size), ..... ); CREATE TABLE is an oracle reserved word or say an Oracle key word whereas There are 3 different ways of creating a table in Oracle database. Creating a table using Command Line Interface (CLI) in Oracle database For demonstrating how to create table in oracle database using CLI, I'll be using Command prompt. Thats how we create table using command prompt. you can check your table structure by DESCRIBE command for that just write DESC and your table name. Like this Another way of creating a table is by using Graphic user interface (GUI) in Oracle database To demonstrate how to create table using GUI we will use SQL developer. Lets open our SQL developer I am connected to HR schema if you do not know how to create a connection to database using SQL developer please watch my oracle database tutorial 4 that explains database connectivity using SQL developer and command prompt. Link for this video is in the description below. So lets create a table. Creating a table using SQL developer is very easy we do not have to fire any query here. Let's start First of all right click on your connection in which you want to create a table and choose schema browser. This will open a separate schema browser pane or you can expend your connection by clicking this + sign and then right click on table and choose New Table. However I prefer working with schema browser so let's skip to schema browser pane here from the first drop-down list you can choose connection name and in the second drop down list you can choose what database objects you want to work with we want to create a table thus I'll choose table and then click this arrow here and choose option for new table Ok we have created a table wizard first of all give a unique name to your table and add some column as well. For this, click the green plus button. Now we already have a column so give it some name. Also choose a datatype from the list and specify any size you can check this not null column if in case you want to make this a mandatory column you can also specify default value and constraint If you want to make this column a primary key you can click here In my future video i'll show you what are these constraints and different ways of applying them on a column in a table. for this video we will concentrate on create table only so when you are done with all your columns click ok Thats your table You can double click on your table here and can see its structure. Thats it
Views: 194817 Manish Sharma
Recursive Subquery Factoring : Hierarchical Queries Using Recursive WITH Clauses
 
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This video demonstrates one of the ways to query hierarchical data from Oracle. For more information see: https://oracle-base.com/articles/11g/recursive-subquery-factoring-11gr2 Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Jeff Smith Blog: http://www.thatjeffsmith.com Twitter: https://twitter.com/thatjeffsmith Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 12363 ORACLE-BASE.com
insert data that not exist in second table in oracle sql.
 
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this tutorial in insert data that not exist in second table means you can select the who table. in oracle you have to learn about all concept and query that help full in features. #insert #oracletutorial #oracleprogramming #multiinsert
Views: 29 EasyWay Coding
Subqueries in sql   Part 59
 
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In this video we will discuss about subqueries in sql server. Let us understand subqueris with an example. Please create the required tables and insert sample data using the script below. Create Table tblProducts ( [Id] int identity primary key, [Name] nvarchar(50), [Description] nvarchar(250) ) Create Table tblProductSales ( Id int primary key identity, ProductId int foreign key references tblProducts(Id), UnitPrice int, QuantitySold int ) Insert into tblProducts values ('TV', '52 inch black color LCD TV') Insert into tblProducts values ('Laptop', 'Very thin black color acer laptop') Insert into tblProducts values ('Desktop', 'HP high performance desktop') Insert into tblProductSales values(3, 450, 5) Insert into tblProductSales values(2, 250, 7) Insert into tblProductSales values(3, 450, 4) Insert into tblProductSales values(3, 450, 9) Write a query to retrieve products that are not at all sold? This can be very easily achieved using subquery as shown below. Select [Id], [Name], [Description] from tblProducts where Id not in (Select Distinct ProductId from tblProductSales) Most of the times subqueries can be very easily replaced with joins. The above query is rewritten using joins and produces the same results. Select tblProducts.[Id], [Name], [Description] from tblProducts left join tblProductSales on tblProducts.Id = tblProductSales.ProductId where tblProductSales.ProductId IS NULL In this example, we have seen how to use a subquery in the where clause. Let us now discuss about using a sub query in the SELECT clause. Write a query to retrieve the NAME and TOTALQUANTITY sold, using a subquery. Select [Name], (Select SUM(QuantitySold) from tblProductSales where ProductId = tblProducts.Id) as TotalQuantity from tblProducts order by Name Query with an equivalent join that produces the same result. Select [Name], SUM(QuantitySold) as TotalQuantity from tblProducts left join tblProductSales on tblProducts.Id = tblProductSales.ProductId group by [Name] order by Name From these examples, it should be very clear that, a subquery is simply a select statement, that returns a single value and can be nested inside a SELECT, UPDATE, INSERT, or DELETE statement. It is also possible to nest a subquery inside another subquery. According to MSDN, subqueries can be nested upto 32 levels. Subqueries are always encolsed in paranthesis and are also called as inner queries, and the query containing the subquery is called as outer query. The columns from a table that is present only inside a subquery, cannot be used in the SELECT list of the outer query. Next Video: What to choose for performance? Queries that involve a subquery or a join Text version of the video http://csharp-video-tutorials.blogspot.com/2013/01/subqueries-in-sql-part-59.html Slides http://csharp-video-tutorials.blogspot.com/2013/09/part-59-subqueries-in-sql-server.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 225317 kudvenkat
Oracle SQL Tutorial 13 - How to Add Column Constraints (Attributes)
 
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So far, we have this table declaration: CREATE TABLE users( user_id NUMBER, username VARCHAR(50 CHAR) first_name VARCHAR2(50 CHAR), last_name VARCHAR2(50 CHAR) ) We can run this command see that it works. As we are learning though, we are going to want to be able to recreate our table with different settings and such, but if you try to run this command, it will complain that the table already exists. So we first need to delete this table before we start editing settings. When we get more experienced, we will learn about ways to edit the structure of a table that already exists. To fix this, we can get rid of the table using the DROP TABLE command: DROP TABLE users You can run this every time if you need to practice by adding a semicolon after it. This is how you can tell Oracle that you are putting in another command after it. This is known as a delimiter. When you run the script, it is going to run both commands. Now we can go through and reconsider our table structure. This is fine for starting out because we don't have any important data in our database, but once your database is in production you are not going to want to just drop tables. In the last video we discussed different constraints that you can apply to columns in a database table, but how do you actually apply these when you are creating a table? The first way you define constraints is to put them right after the column in your CREATE TABLE statement. CREATE TABLE users( username VARCHAR2(50 CHAR) NOT NULL ) When we define constraints this way, we usually say we are adding column attributes. If you have two constraints you want to add, you just put one after the other with spaces in between. There is no particular order that is required. CREATE TABLE users( username VARCHAR2(50 CHAR) NOT NULL UNIQUE ) In this situation we have already given the column the NOT NULL and UNIQUE attributes, so we should consider making this a primary key: CREATE TABLE users( username VARCHAR2(50 CHAR) PRIMARY KEY ) As you can see, adding column attributes is super easy. We can add a default like this: CREATE TABLE users( username VARCHAR2(50 CHAR) PRIMARY KEY, account_balance NUMBER DEFAULT 0 ) Note that now we need the comma after the first row. There are a few constraints we did not talk go through an example, specifically foreign keys and check constraints. We will be adding these constraints to our database in future videos. In the mean time, I have a thought for you… Many people prefer to name their column constraints. That way, we can refer to certain constraints by name. For example, we might have a primary key constraint that could be named users_pk. The way we are creating these constraints does not allow for this feature, so in the next video we are going to be discussing different ways to create constraints. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me on Patreon! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 26486 Caleb Curry
Understanding Correlated Queries in SQL
 
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Join Discussion: http://www.techtud.com/video-lecture/understanding-correlated-queries-sql IMPORTANT LINKS: 1) Official Website: http://www.techtud.com/ 2) Virtual GATE: http://virtualgate.in/login/index.php Both of the above mentioned platforms are COMPLETELY FREE, so feel free to Explore, Learn, Practice & Share! Our Social Media Links: Facebook Page: https://www.facebook.com/techtuduniversity Facebook Group: https://www.facebook.com/groups/virtualgate Google+ Page: https://plus.google.com/+techtud/posts Last but not the least, SUBSCRIBE our YouTube channel to stay updated about the regularly uploaded new videos.
Views: 58485 Techtud
Oracle Database tutorials 5:  how to Fetch Data using SELECT - SQL statement by Manish Sharma
 
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SELECT – SQL Statement which will help you in fetching data from your database. Learn the concepts of SELECT statement with easy examples in this SQL tutorial by Manish Sharma Contacts www.Facebook.com/TheRebellionRider www.twitter.com/rebellionrider www.instagram.com/RebellionRider in.linkedin.com/in/mannbhardwaj/ Thanks for linking, commenting, sharing and watching more of our videos This is Manish from RebellionRider
Views: 205313 Manish Sharma
Oracle Database 12c: Simplifying Effective Date Range Queries with Temporal Validity
 
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Fewer mistakes, less typing - in 12c you can define effective date ranges for your table date columns. Chris Saxon provides a quick demo in this week's episode.
Oracle username and password and Account unlocking
 
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all education purpose videos
Views: 297391 Chandra Shekhar Reddy
Learn Oracle | How to Open SQL Plus for the First Time
 
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Pebbles present, Learn Oracle 10g with Step By Step Video Tutorials. Learn Oracle 10g Tutorial series contains the following videos : Learn Oracle - History of Oracle Learn Oracle - What is Oracle - Why do we need Oracle Learn Oracle - What is a Database Learn Oracle - What is Grid Computing Learn Oracle - What is Normalization Learn Oracle - What is ORDBMS Learn Oracle - What is RDBMS Learn Oracle - Alias Names, Concatenation, Distinct Keyword Learn Oracle - Controlling and Managing User Access (Data Control Language) Learn Oracle - Introduction to SQL Learn Oracle - Oracle 10g New Data Types Learn Oracle - How to Alter a Table using SQL Learn Oracle - How to Create a Package in PL SQL Learn Oracle - How to Create a Report in SQL Plus Learn Oracle - How to Create a Table using SQL - Not Null, Unique Key, Primary Key Learn Oracle - How to Create a Table using SQL Learn Oracle - How to Create a Trigger in PL SQL Learn Oracle - How to Delete Data from a Table using SQL Learn Oracle - How to Drop and Truncate a Table using SQL Learn Oracle - How to Insert Data in a Table using SQL Learn Oracle - How to open ISQL Plus for the first time Learn Oracle - How to Open SQL Plus for the First Time Learn Oracle - How to Update a Table using SQL Learn Oracle - How to use Aggregate Functions in SQL Learn Oracle - How to use Functions in PL SQL Learn Oracle - How to use Group By, Having Clause in SQL Learn Oracle - How to Use Joins, Cross Join, Cartesian Product in SQL Learn Oracle - How to use Outer Joins (Left, Right, Full) in SQL Learn Oracle - How to use the Character Functions, Date Functions in SQL Learn Oracle - How to use the Merge Statement in SQL Learn Oracle - How to use the ORDER BY Clause with the Select Statement Learn Oracle - How to use the SELECT Statement Learn Oracle - How to use the Transactional Control Statements in SQL Learn Oracle - How to use PL SQL Learn Oracle - Data Types in PL SQL Learn Oracle - Exception Handling in PL SQL Learn Oracle - PL SQL Conditional Logics Learn Oracle - PL SQL Cursor Types - Explicit Cursor, Implicit Cursor Learn Oracle - PL SQL Loops Learn Oracle - Procedure Creation in PL SQL Learn Oracle - Select Statement with WHERE Cause Learn Oracle - SQL Operators and their Precedence Learn Oracle - Using Case Function, Decode Function in SQL Learn Oracle - Using Logical Operators in the WHERE Clause of the Select Statement Learn Oracle - Using Rollup Function, Cube Function Learn Oracle - Using Set Operators in SQL Learn Oracle - What are the Different SQL Data Types Learn Oracle - What are the different types of Databases Visit Pebbles Official Website - http://www.pebbles.in Subscribe to our Channel – https://www.youtube.com/channel/UCNNjWVsQqaMYccY044vtHJw?sub_confirmation=1 Engage with us on Facebook at https://www.facebook.com/PebblesChennai Please Like, Share, Comment & Subscribe
Views: 16318 Pebbles Tutorials
SQL Subqueries | Subqueries in SQL with examples
 
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This SQL video teaches Subqueries using northwind database example table. This part is to be watched along SQL full Tutorial whose link given below after running 2hrs. For Complete Tutorial watch https://www.youtube.com/watch?v=_vFiyFaQCPA SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. #subqueries #sqlsubqueries
Views: 22280 Extern Code
SQL Tutorial - 23: The LIKE Operator and Wildcard Characters
 
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In this tutorial we'll check out a few examples of the LIKE Operator along with the wildcard characters (% and _).
Views: 69385 The Bad Tutorials
Part 2   SQL query to get organization hierarchy
 
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Link for all dot net and sql server video tutorial playlists http://www.youtube.com/user/kudvenkat/playlists Link for slides, code samples and text version of the video http://csharp-video-tutorials.blogspot.com/2014/05/part-2-sql-query-to-get-organization.html To get the best out of this video, the following concepts need to be understood first. These are already discussed in SQL Server Tutorial. 1. Self-Join - http://www.youtube.com/watch?v=qnYSN_7qwgg 2. CTE - http://www.youtube.com/watch?v=ZXB5b-7HJHk 3. Recursive CTE - http://www.youtube.com/watch?v=GGoV0wTMCg0 Here is the problem definition: 1. Employees table contains the following columns a) EmployeeId, b) EmployeeName c) ManagerId 2. If an EmployeeId is passed, the query should list down the entire organization hierarchy i.e who is the manager of the EmployeeId passed and who is managers manager and so on till full hierarchy is listed. For example, Scenario 1: If we pass David's EmployeeId to the query, then it should display the organization hierarchy starting from David. Scenario 2: If we pass Lara's EmployeeId to the query, then it should display the organization hierarchy starting from Lara. We will be Employees table for this demo. SQL to create and populate Employees table with test data Create table Employees ( EmployeeID int primary key identity, EmployeeName nvarchar(50), ManagerID int foreign key references Employees(EmployeeID) ) GO Insert into Employees values ('John', NULL) Insert into Employees values ('Mark', NULL) Insert into Employees values ('Steve', NULL) Insert into Employees values ('Tom', NULL) Insert into Employees values ('Lara', NULL) Insert into Employees values ('Simon', NULL) Insert into Employees values ('David', NULL) Insert into Employees values ('Ben', NULL) Insert into Employees values ('Stacy', NULL) Insert into Employees values ('Sam', NULL) GO Update Employees Set ManagerID = 8 Where EmployeeName IN ('Mark', 'Steve', 'Lara') Update Employees Set ManagerID = 2 Where EmployeeName IN ('Stacy', 'Simon') Update Employees Set ManagerID = 3 Where EmployeeName IN ('Tom') Update Employees Set ManagerID = 5 Where EmployeeName IN ('John', 'Sam') Update Employees Set ManagerID = 4 Where EmployeeName IN ('David') GO Here is the SQL that does the job Declare @ID int ; Set @ID = 7; WITH EmployeeCTE AS ( Select EmployeeId, EmployeeName, ManagerID From Employees Where EmployeeId = @ID UNION ALL Select Employees.EmployeeId , Employees.EmployeeName, Employees.ManagerID From Employees JOIN EmployeeCTE ON Employees.EmployeeId = EmployeeCTE.ManagerID ) Select E1.EmployeeName, ISNULL(E2.EmployeeName, 'No Boss') as ManagerName From EmployeeCTE E1 LEFT Join EmployeeCTE E2 ON E1.ManagerID = E2.EmployeeId
Views: 316688 kudvenkat
Correlated subquery in sql   Part 60
 
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In this video we will discuss about Corelated Subqueries In Part 59, we discussed about 2 examples that uses subqueries. Please watch Part 59, before proceeding with this video. We will be using the same tables and queries from Part 59. In the example below, sub query is executed first and only once. The sub query resutls are then used by the outer query. In a non-corelated subquery, the subquery can be executed independently of the outer query. Select [Id], [Name], [Description] from tblProducts where Id not in (Select Distinct ProductId from tblProductSales) If the subquery depends on the outer query for its values, then that sub query is called as a correlated subquery. In the where clause of the subquery below, "ProductId" column get it's value from tblProducts table that is present in the outer query. So, here the subquery is dependent on the outer query for it's value, hence this subquery is a correlated subquery. Correlated subqueries get executed, once for every row that is selected by the outer query. corelated subquery, cannot be executed independently of the outer query. Select [Name], (Select SUM(QuantitySold) from tblProductSales where ProductId = tblProducts.Id) as TotalQuantity from tblProducts order by Name Text version of the video http://csharp-video-tutorials.blogspot.com/2013/01/correlated-subquery-in-sql-part-60.html Slides http://csharp-video-tutorials.blogspot.com/2013/09/part-60-co-related-subqueries.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 140066 kudvenkat
PL/SQL tutorial 82: How to Execute DDL statements with Execute Immediate Dynamic SQL
 
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Native Dynamic SQL - Learn how to execute CREATE TABLE DDL statement using EXECUTE IMMEDIATE in Oracle Database by Manish Sharma ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/NDS-3 What Is A #Data Warehouse? http://bit.ly/the-data-warehouse Previous Tutorial ► Introduction to Dynamic SQL: https://youtu.be/Yzk1zENbhg4 ► Introduction to Execute Immediately: https://youtu.be/47KzYVBNbIs ► Create Table: https://youtu.be/UU0EEfpa-2c ►Alter Table: https://youtu.be/8yAaO_ySTkw ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ------------------------------------------------------------------------- ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ ___Facebook Official Page of Manish Sharma___ https://www.facebook.com/TheRebellionRider/ ___Facebook Official Page of RebellionRider.com___ https://www.facebook.com/RebellionRider.official/ You can also Email me at for E-mail address please check the About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 5876 Manish Sharma
Oracle SQL Programming Lesson 4 in Jinghpaw Language - Set Operators
 
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Compiling SQL queries using Union, Union All, Intercept, Minus, Where Exists, Where Not Exists Operators against the oracle database tables. Please watch in HD format for better video quality. --append/stack data (union,union all) --UNION removes duplicate rows. --UNION ALL does not remove duplicate rows. --Each SELECT statement within the UNION must have the same number of fields in the result sets with similar data types. select 'foo' as test_column from dual union select 'foo' as test_column from dual; select distinct test_column from (select 'foo' as test_column from dual union all select 'foo' as test_column from dual); Select region_name from regions Union Select region_name from regions; select first_name,last_name,job_id,manager_id,salary,deptment_id from employees where department_id in (20,60); --Union /union all select job_id,manager_id,'DEPT 20' as dept from employees where department_id=20 union all select job_id,manager_id,'DEPT 60' as dept from employees where department_id=60; --intersect returns only the rows common to the results of two queries select 'foo' as test_column from dual intersect select 'foo' as test_column from dual; Select region_name from regions; Select region_name from regions intersect Select region_name from regions; -- minus=except returns the rows from the first query that do not exist in the second query select 'foo' as test_column from dual minus select 'foo' as test_column from dual; Select region_name from regions minus Select region_name from regions; select first_name,last_name,job_id,manager_id,salary,'DEPT 20' as dept from employees where department_id=20 minus select first_name,last_name,job_id,manager_id,salary,'DEPT 60' as dept from employees where department_id=60; --complex compound queries Select department_id, count(*) from employees Where department_id in (20,30,40) Group by department_id; Select department_id, count(*) from employees Where department_id in (20) Group by department_id Union all Select department_id, count(*) from employees Where department_id in (30) Group by department_id Union all Select department_id, count(*) from employees Where department_id in (40) Group by department_id; Select department_id, count(*) from employees Where department_id in (20) Group by department_id intersect Select department_id, count(*) from employees Where department_id in (30) Group by department_id minus Select department_id, count(*) from employees Where department_id in (40) Group by department_id; Select department_id, count(*) from employees Where department_id in (20) Group by department_id Union Select department_id, count(*) from employees Where department_id in (30) Group by department_id Union all Select department_id, count(*) from employees Where department_id in (40) Group by department_id; --where exists, in / not exists, not in select e.last_name, e.department_id, e.salary from employees e where exists (select * from departments d where e.department_id=d.department_id); select e.last_name, e.department_id, e.salary from employees e where e.department_id in (select department_id from departments); select e.last_name, e.department_id, e.salary from employees e where not exists (select * from departments d where e.department_id=d.department_id); select e.last_name, e.department_id, e.salary from employees e where e.department_id not in (select department_id from departments);
Views: 43 Hkau Doi
Oracle Performance Tuning - Read and interpret Explain Plan
 
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Connect with me or follow me at https://www.linkedin.com/in/durga0gadiraju https://www.facebook.com/itversity https://github.com/dgadiraju https://www.youtube.com/c/TechnologyMentor https://twitter.com/itversity
Views: 47051 itversity
Oracle SQL Tutorial 15 - How to Add Primary Key Constraints
 
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The goal of this video is to take the CREATE TABLE statement we have and walk through the different ways to create primary keys. This and foreign keys are the most common constraints, so we need to make sure that you have this one down. Once we have a more complex database design with multiple tables, we will learn the proper way to create foreign keys. For now, I am going to keep all of our constraints at the column level, unnamed. The only exception is the primary key, because that is what we are focusing on in this video. The first way to create the primary key is at the column level, unnamed. The primary key is very important because it what we use to distinguish rows from one another. Every table you create is going to need a primary key, and I suggest putting a lot of effort into making sure your keys are set up correctly and organized. --Delete the table if needed: DROP TABLE users; CREATE TABLE users( user_id NUMBER PRIMARY KEY, username VARCHAR2(50 CHAR) NOT NULL UNIQUE ) The next way is at the column level, but named: --Delete the table: DROP TABLE users; CREATE TABLE users( user_id NUMBER CONSTRAINT users_pk PRIMARY KEY, username VARCHAR2(50 CHAR)NOT NULL UNIQUE ) The general naming convention here is the table name followed by an underscore, followed by pk for primary key. Finally, the third way, which is at the table level, is the way we are going to create our primary key: --Delete the table: DROP TABLE users; CREATE TABLE users( user_id NUMBER, username VARCHAR2(50 CHAR) NOT NULL UNIQUE, CONSTRAINT users_pk PRIMARY KEY (user_id) ) Now, once you've created these constraints, you can use Oracle SQL Developer to find these constraints. Open your databases in the connections tab and find the table in the Tables folder. Double click your table and travel to the Constraints tab. You can tell here that the UNIQUE constraint still exists in this table, but it has a pretty disgusting name. It kind of wants to make me puke. Referencing that constraint in the future with that wacky name would be a burden. Engrave these three options in your head so that you can use any of them whenever you need and can read other peoples' code. Thank you for sticking with the series thus far. In the next video, we will be…doing something. See you then! :) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me on Patreon! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 18884 Caleb Curry
SSIS Tutorial Part 124-How to Build Query in Variable and Use in Execute SQL Task in SSIS Package
 
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SSIS Video Scenario: Let's consider, we have a Flat file which contains the tables those need to be truncate before we load them again. We need to create an SSIS Package that can read the list of Table Names with schema and then Truncate them in given Database in SSIS Package. Once they are Truncated, we can have Data Flow Tasks to load them. But in this package we will be only building the Part how to Truncate them and the list of Tables can change anytime. In this video we will learn how to save the query in a variable and then use in Execute SQL Task. In this video you will learn following items How to Create SSIS Package from Scratch How to read list of Tables from a Flat File those need to be truncated from SQL Server Database How to Create String Type Variables in SSIS Package How to Write Expression on Variable to built SQL Statement How to use SQL Query ( Dynamic SQL) Saved in Variable in Execute SQL Task Blog post link for the video with scripts http://sqlage.blogspot.com/2015/04/done-how-to-save-query-in-variable-and.html
Views: 16464 TechBrothersIT
How to Resolve Oracle SQL Parent Key Not Found (ORA-02291)
 
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In this video, we’ll explain what the ORA-02291 “parent key not found” error is, see an example, and look at how to resolve it. This error usually happens when we try to insert data into a table. It looks like this: Error is: ORA-02291: integrity constraint (constraint_name) violated - parent key not found So what does this error mean? It means we’re trying to insert data into a child table, and there is no related record in the parent table. If a foreign key has been set up to enforce this relationship, there needs to be a parent to insert a child that refers to it. Watch the video to see an example of this error as well as how to resolve it. For more information on Oracle SQL, refer to the Database Star website here: https://www.databasestar.com/
Views: 6116 Database Star
SQL 136 Subselect, EXISTS with Subselects
 
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Explains how EXISTS with subselects work. From http://ComputerBasedTrainingInc.com SQL Course. Learn by doing SQL commands for ANSI Standard SQL, Access, DB2, MySQL, Oracle, PostgreSQL, and SQL Server.
Views: 4886 cbtinc
Why Has an Index Broken My Query?
 
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Sometimes Oracle can give unexpected exceptions. This often happens when working with dates stored as strings. In this video, Chris investigates why adding an index to a varchar storing dates could cause a query to fail. He explains why this happens. Then he shows workaround to avoid this. You can download the scripts in this video from LiveSQL at: https://livesql.oracle.com/apex/livesql/file/content_CVN82PZQWQSUFYMOVKG0VI19T.html ============================ The Magic of SQL with Chris Saxon Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 3132 The Magic of SQL
SQL Server except operator
 
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sql except example sql except operator example sql server except example sql server except order by sql server except clause SQL Server except operator In this video we will discuss SQL Server except operator with examples. EXCEPT operator returns unique rows from the left query that aren’t in the right query’s results. Introduced in SQL Server 2005 The number and the order of the columns must be the same in all queries The data types must be same or compatible This is similar to minus operator in oracle Let us understand this with an example. SQL Script to create the tables Create Table TableA ( Id int primary key, Name nvarchar(50), Gender nvarchar(10) ) Go Insert into TableA values (1, 'Mark', 'Male') Insert into TableA values (2, 'Mary', 'Female') Insert into TableA values (3, 'Steve', 'Male') Insert into TableA values (4, 'John', 'Male') Insert into TableA values (5, 'Sara', 'Female') Go Create Table TableB ( Id int primary key, Name nvarchar(50), Gender nvarchar(10) ) Go Insert into TableB values (4, 'John', 'Male') Insert into TableB values (5, 'Sara', 'Female') Insert into TableB values (6, 'Pam', 'Female') Insert into TableB values (7, 'Rebeka', 'Female') Insert into TableB values (8, 'Jordan', 'Male') Go Notice that the following query returns the unique rows from the left query that aren’t in the right query’s results. Select Id, Name, Gender From TableA Except Select Id, Name, Gender From TableB To retrieve all of the rows from Table B that does not exist in Table A, reverse the two queries as shown below. Select Id, Name, Gender From TableB Except Select Id, Name, Gender From TableA You can also use Except operator on a single table. SQL script to create tblEmployees table Create table tblEmployees ( Id int identity primary key, Name nvarchar(100), Gender nvarchar(10), Salary int ) Go Insert into tblEmployees values ('Mark', 'Male', 52000) Insert into tblEmployees values ('Mary', 'Female', 55000) Insert into tblEmployees values ('Steve', 'Male', 45000) Insert into tblEmployees values ('John', 'Male', 40000) Insert into tblEmployees values ('Sara', 'Female', 48000) Insert into tblEmployees values ('Pam', 'Female', 60000) Insert into tblEmployees values ('Tom', 'Male', 58000) Insert into tblEmployees values ('George', 'Male', 65000) Insert into tblEmployees values ('Tina', 'Female', 67000) Insert into tblEmployees values ('Ben', 'Male', 80000) Go Except operator on a single table Select Id, Name, Gender, Salary From tblEmployees Where Salary ]= 50000 Except Select Id, Name, Gender, Salary From tblEmployees Where Salary ]= 60000 Order By clause should be used only once after the right query Select Id, Name, Gender, Salary From tblEmployees Where Salary ]= 50000 Except Select Id, Name, Gender, Salary From tblEmployees Where Salary ]= 60000 order By Name Text version of the video http://csharp-video-tutorials.blogspot.com/2015/09/sql-server-except-operator.html Slides http://csharp-video-tutorials.blogspot.com/2015/09/adsbygoogle-window.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 45971 kudvenkat
Read from (SELECT) Database table - SQLite3 with Python 3 part 3
 
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In the previous tutorials, we've covered creating a database and populating one, now we need to learn how to read from the database. Reading from a database is where the power of using something like SQLite over a flat file starts to make sense. While we can query the entire table, we can instead just query a single column, or even based on specific row values. Let's see what I mean sample code and text tutorial: https://pythonprogramming.net/sqlite-part-3-reading-database-python/ Playlist: https://www.youtube.com/playlist?list=PLQVvvaa0QuDezJh0sC5CqXLKZTSKU1YNo https://pythonprogramming.net https://twitter.com/sentdex https://www.facebook.com/pythonprogramming.net/ https://plus.google.com/+sentdex
Views: 95881 sentdex
ꘒ0001 Select From Oracle Errors ORA-00000 .. ORA-65536
 
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ORA-nnnnn Errors with a Simple Query.
Views: 174 Geraldo Viana
Merge: Databases for Developers #17
 
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Sometimes when adding rows to your database need update-if-exists, insert-if-not-exists logic. Aka an upsert. You could write this as separate update and insert statements. But there is an easier way: Merge! Watch this video for an overview of how merge works. Further reading: Merge documentation: https://docs.oracle.com/en/database/oracle/oracle-database/18/sqlrf/MERGE.html Delete rows not in the source using merge: https://technology.amis.nl/2006/10/14/have-merge-remove-records-from-target-that-are-not-in-the-source-oracle-10g/ Take the course: https://devgym.oracle.com/pls/apex/dg/class/databases-for-developers-next-level.html Need help with SQL? Ask us over on AskTOM: https://asktom.oracle.com Twitter: https://twitter.com/ChrisRSaxon Daily SQL Twitter tips: https://twitter.com/SQLDaily All Things SQL blog: https://blogs.oracle.com/sql/ ============================ The Magic of SQL with Chris Saxon Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 1104 The Magic of SQL
Tutorials#75  what is  View in Oracle SQL Database
 
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Oracle SQL Tutorial on How to create View in Oracle SQL Database or what is View in SQL or View in SQL Server A View is a Virtual table that does not physically exist, it is created by a query joining one or more tables. Assignment: Assignment link will be available soon: In this series we cover the following topics: SQL basics, create table oracle, SQL functions, SQL queries, SQL server, SQL developer installation, Oracle database installation, SQL Statement, OCA, Data Types, Types of data types, SQL Logical Operator, SQL Function,Join- Inner Join, Outer join, right outer join, left outer join, full outer join, self-join, cross join, View, SubQuery, Set Operator. follow me on: Facebook Page: https://www.facebook.com/LrnWthr-319371861902642/?ref=bookmarks Contacts Email: [email protected] Instagram: https://www.instagram.com/equalconnect/ Twitter: https://twitter.com/LrnWthR #equalConnectCoach #rakeshmalviya
Views: 104 EqualConnect Coach
Quickly Navigating Between Objects in Oracle SQL Developer
 
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A couple of tricks for navigating from an Oracle Database table to its related objects such as indexes and triggers, and back. Plus how to jump to an object from your PL/SQL code.
Views: 2003 Jeff Smith
views in oracle 11g
 
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What is a VIEW in Oracle? An Oracle VIEW, in essence, is a virtual table that does not physically exist. Rather, it is created by a query joining one or more tables. Create VIEW Syntax The syntax for the CREATE VIEW Statement in Oracle/PLSQL is: CREATE VIEW view_name AS SELECT columns FROM tables [WHERE conditions]; view_name The name of the Oracle VIEW that you wish to create. WHERE conditions Optional. The conditions that must be met for the records to be included in the VIEW. Example Here is an example of how to use the Oracle CREATE VIEW: CREATE VIEW sup_orders AS SELECT suppliers.supplier_id, orders.quantity, orders.price FROM suppliers INNER JOIN orders ON suppliers.supplier_id = orders.supplier_id WHERE suppliers.supplier_name = 'Microsoft'; This Oracle CREATE VIEW example would create a virtual table based on the result set of the SELECT statement. You can now query the Oracle VIEW as follows: SELECT * FROM sup_orders; Update VIEW You can modify the definition of an Oracle VIEW without dropping it by using the Oracle CREATE OR REPLACE VIEW Statement. Syntax The syntax for the CREATE OR REPLACE VIEW Statement in Oracle/PLSQL is: CREATE OR REPLACE VIEW view_name AS SELECT columns FROM table WHERE conditions; view_name The name of the Oracle VIEW that you wish to create or replace. Example Here is an example of how you would use the Oracle CREATE OR REPLACE VIEW Statement: CREATE or REPLACE VIEW sup_orders AS SELECT suppliers.supplier_id, orders.quantity, orders.price FROM suppliers INNER JOIN orders ON suppliers.supplier_id = orders.supplier_id WHERE suppliers.supplier_name = 'Apple'; This Oracle CREATE OR REPLACE VIEW example would update the definition of the Oracle VIEW called sup_orders without dropping it. If the Oracle VIEW did not yet exist, the VIEW would merely be created for the first time. Drop VIEW Once an Oracle VIEW has been created, you can drop it with the Oracle DROP VIEW Statement. Syntax The syntax for the DROP VIEW Statement in Oracle/PLSQL is: DROP VIEW view_name; view_name The name of the view that you wish to drop. Example Here is an example of how to use the Oracle DROP VIEW Statement: DROP VIEW sup_orders; This Oracle DROP VIEW example would drop/delete the Oracle VIEW called sup_orders. Frequently Asked Questions Question: Can you update the data in an Oracle VIEW? Answer: A VIEW in Oracle is created by joining one or more tables. When you update record(s) in a VIEW, it updates the records in the underlying tables that make up the View. So, yes, you can update the data in an Oracle VIEW providing you have the proper privileges to the underlying Oracle tables. Question: Does the Oracle View exist if the table is dropped from the database? Answer: Yes, in Oracle, the VIEW continues to exist even after one of the tables (that the Oracle VIEW is based on) is dropped from the database. However, if you try to query the Oracle VIEW after the table has been dropped, you will receive a message indicating that the Oracle VIEW has errors. If you recreate the table (the table that you had dropped), the Oracle VIEW will again be fine.
Views: 3 P T
how to fetch or populate data from database to jframe or jtable [SOLVED]- java tutorial #14
 
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Bring the data from back end to front end in java netbeans.... or want to see or bring the database's data to your jframe in java or jtable here i will show you how to do that.... ============================================== IMPORTANT LINKS: -- rs2xml ( JAR FILE) https://drive.google.com/file/d/0BwUVtTEFk6GAVzItTzV1ZnlPVE0/view?usp=sharing -- SQLITE JDBC (JAR FILE) https://drive.google.com/file/d/0BwUVtTEFk6GAMmc0WmF0SUl2d3c/view?usp=sharing for any query drop your comments below this video please rate comment and subscribe for more videos..
Views: 81924 GSoft Knowledge
Oracle Database bangla Tutorials 19 :: delete statement (Row Delete in Table)
 
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www.facebook.com/oracle.shohag Email : [email protected] Website : www.oraclebangla.com Topics : Update Statement (Row Update in table)
Views: 823 Oracle Bangla
SQL SELECT INTO english-vlr training
 
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In Telugu: In English: download sql study material Website: http://www.vlrtrain.in/2016/09/download-sql-files.html Learn SQL sql tutorial for beginners sql commands oracle sql tutorial sql tutorial advanced mysql tutorial sql tutorial video SQL Tutorial, Tutorials SQL
Views: 43 VLR Training
Learn Oracle SQL : Filtering Duplicate Rows ( The DISTINCT Clause )
 
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http://bit.ly/oracle-sql-course | Get the complete course today. Learn Oracle SQL : Filtering Duplicate Rows ( The DISTINCT Clause ): In this video, I show you how you can use the DISTINCT clause to remove duplicate rows from the results of your queries. This is an excerpt of the course " Oracle SQL From Scratch " which you can get at a discounted price here: http://bit.ly/oracle-sql-course You can find additional Oracle SQL related articles and educational content in my blog here: http://standout-dev.com/
Views: 274 Oracle SQL
Correlated Sub Queries Quickly
 
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SQL Server Unlocked- Correlated Subqueries Quickly Thanks for returning for another episode of Joes 2 Pros SQL Server unlocked series. Today we will be discussing SQL Server correlated subqueries and how to perform them quickly. There are many different tips and tricks you can use with SQL Server in order to make your day easier. In the demonstration above, Morelan takes your through an example on how to create correlated subqueries by using a database of a fictional company that has employees and locations in different cities. Sometimes subqueries can be a bit confusing as they are a query nestled inside of another query, but Morelan does a great job creating a simplified example and explanation. Going through the example step-by-step really helps make sense of what can be a confusing topic. If you would like to learn more about correlated subqueries, please have a look at our Developer 2012 Volume 2 Video 12.2 class. See more at: http://www.joes2pros.com/joes2pros/courses Full Blog: http://joes2prosblog.social27.com/