Learn how to create SQL Joins. The first 10 minutes teach you the basics. Inner Join, Left Outer Join, Right Outer Join, and Full Outer Join. The second 10 minutes show you are few techniques that will help you as you start building joins. READ THE ORIGINAL ARTICLE WITH THE TABLE SCRIPS http://www.sqltrainingonline.com/sql-joins-tutorial-for-beginners/ YOUTUBE NEWS UPDATES http://www.youtube.com/user/sqltrainingonline VISIT SQLTRAININGONLINE.COM FOR TONS MORE VIDEO NEWS & TIPS http://www.sqltrainingonline.com SUBSCRIBE FOR OTHER SQL TIPS AND NEWS! http://www.youtube.com/subscription_center?add_user=sqltrainingonline SUBSCRIBE TO OUR EMAIL LIST! http://www.sqltrainingonline.com LET'S CONNECT! Facebook: http://facebook.com/SQLTrainingOnline Twitter: http://twitter.com/sql_by_joey Linkedin: http://linkedin.com/in/joeyblue SQLTrainingOnline: http://www.sqltrainingonline.com

This screencast introduces table joins, including differences between SQL 89 and SQL 92 join syntax. The various join types such as natural (inner) joins and left/right/full outer joins, and cross joins.

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Oracle SQL Join Tutorials. Different types of joins and examples. For Full Course Experience Please Go To http://mentorsnet.org/course_preview?course_id=4 Full Course Experience Includes 1. Access to course videos and exercises 2. View & manage your progress/pace 3. In-class projects and code reviews 4. Personal guidance from your Mentors

Ejemplo simple sobre la selección de datos desde más de una tabla, haciendo combinaciones tanto internas como externas (INNER, OUTER JOIN). Adicionalmente, comparar la notación SQL ANSI con la notación ORACLE

Get your first month on the Joes 2 Pros Academy for just $1 with code YOUTUBE1. Visit http://www.joes2pros.com Offer expires July 1, 2015 From the newly released 2 Disc DVD set (SQL Queries Joes 2 Pros Vol2) this video shows how to join 3 tables in 1 query.

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In this tutorial we'll take a look at SQL JOINS and see how we can pull data from two tables through a single query!

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

Jamie King of Neumont University demonstrating how to join several tables together.

CAPTIONS AVAILABLE - Full transcript (with some screenshots) available for a small fee at http://stores.lulu.com/konagora/. A very brief description of how a database performs a join, based on material from a 2-day seminar.

In this video we will learn about 1. The different types of Joins in sql server 2. Cross Join 3. Inner Join 4. Outer Join -- Left , Right and Full Outer Join. Text version of the video http://csharp-video-tutorials.blogspot.com/2012/08/joins-in-sql-server-part-12.html Slides http://csharp-video-tutorials.blogspot.com/2013/08/part-12-joins.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

This is a video tutorial on how to retrieve data from multiple tables using simple join or inner join, the video demonstrates on how to write a simple join or inner join. It also explains the different syntax available to write an inner join, like with the JOIN and USING clause or by JOIN and ON clause. The video also demonstrates the use of alias and importance of it when using the simple join syntax.

Oracle - Joins - Beginner

Connect with me on my LinkedIn and please endorse my Oracle database Skills LinkedIn : http://bit.ly/LinkedIn-Manish Links Web Link : http://bit.ly/natural-join Website : http://www.rebellionrider.com In This Tutorial You will learn What is Natural Join? How to use natural join. Natural Join with ON clause and Natural Join with Using clause Natural Joins with the USING Clause • If several columns have the same names but the data types do not match, natural join can be applied by using the USING clause to specify the columns that should be used for an equijoin. • Use the USING clause to match only one column when more than one column matches. • Do not use a table name or alias in the referenced columns. • The NATURAL JOIN and USING clauses are mutually exclusive. Tool used in this tutorial is SQL Developer. 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 liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com

Hola queridos suscriptores, tenemos un nuevo video mostrando los tipos de joins como: Inner Join, Right Join, Left Join y Full Join. ¿Como utilizar join en select? Une tus consultas SELECT con los diferentes Joins que te ofrece sql, de acuerdo al gestor de base de datos. *Esperamos que te sea útil, ya que nuestro objetivo es compartir conocimientos ;) #SomosSistemas #ComparteYAprende Suscribete: https://www.youtube.com/channel/UCjD7... Siguenos en Facebook: https://www.facebook.com/somos.sistemas Únete a nuestro grupo Fb: https://www.facebook.com/groups/somos... Visita nuestro sitio web: http://somossistemas.org/ Twittea con nosotros: https://twitter.com/SomosSist Dale un +1: https://plus.google.com/u/2/b/1159723... Escribenos a: [email protected]

How to build queries with your mouse versus the keyboard. 2018 Update: If you'd like to see how to convert your Oracle style JOINS to ANSI style (in the FROM vs the WHERE clause) see this post https://www.thatjeffsmith.com/archive/2018/10/query-builder-on-inline-views-and-ansi-joins/

Oracle Sql: Cross Join

This is a demo intro video about Oracle and Joins in oracle to understand how we teach our students.

Introduction to Nested Select Statements in SQL with a focus on contrasting the nested select technique to that of the natural join covered previously

Unir varias tablas sin subconsultas

http://www.hotosting.com/cresite/ . Tutoriel français SQL : Jointure join multiples avec 2 tables et SELECT. Trois exemples de requêtes SQL avec 2 tables jointes à connaître pour interroger deux tables d'une base de données RELATIONNELLES en même temps à l'aide de SELECT et sa JOINTURE entre 2 tables. https://www.youtube.com/user/yansay88

This video demonstrates how to join or reference 2 or more tables in different databases but on same server machine. How to Join Tables How to Join Tables in SQL Server How to Join Tables in Different Databases Join Tables in SQL Select

Hi! I’m Abdulrhman Uthman, a student of King Faisal University in Saudi Arabia. This series is intended for the practical class of Database Concepts students in our university, but anyone who wants to learn database, SQL or Structured Query Language and use Oracle’s APEX are welcome aboard. In this video we will continue discussing the SELECT statement with JOIN. I would like to acknowledge the following people for their support: Dr. Majed Alshamari, Dr. Mohammed Bonais, Dr. Abdullah Alaulaimie, Dr. Mohammed Al-Naeem, Mr. Ahmed Alshawayrid, Mr. Naif Bo-Hasan, Mr. Mohammed Tawfiq, my sister, Ms. Reem Uthman, and my brother, Anas Uthman for editing the video.

Hi! I’m Abdulrhman Uthman, a student of King Faisal University in Saudi Arabia. This series is intended for the practical class of Database Concepts students in our university, but anyone who wants to learn database, SQL or Structured Query Language and use Oracle’s APEX are welcome aboard. In this video, we will try to JOIN 3, 4, and even 5 tables I would like to acknowledge the following people for their support: Dr. Majed Alshamari, Dr. Mohammed Bonais, Dr. Abdullah Alaulaimie, Dr. Mohammed Al-Naeem, Mr. Ahmed Alshawayrid, Mr. Naif Bo-Hasan, Mr. Mohammed Tawfiq, my sister, Ms. Reem Uthman, and my brother, Anas Uthman for editing the video.

Hi! I’m Abdulrhman Uthman, a student of King Faisal University in Saudi Arabia. This series is intended for the practical class of Database Concepts students in our university, but anyone who wants to learn database, SQL or Structured Query Language and use Oracle’s APEX are welcome aboard. In this video we will continue JOINing tables. I would like to acknowledge the following people for their support: Dr. Majed Alshamari, Dr. Mohammed Bonais, Dr. Abdullah Alaulaimie, Dr. Mohammed Al-Naeem, Mr. Ahmed Alshawayrid, Mr. Naif Bo-Hasan, Mr. Mohammed Tawfiq, my sister, Ms. Reem Uthman, and my brother, Anas Uthman for editing the video.

Hi! I’m Abdulrhman Uthman, a student of King Faisal University in Saudi Arabia. This series is intended for the practical class of Database Concepts students in our university, but anyone who wants to learn database, SQL or Structured Query Language and use Oracle’s APEX are welcome aboard. In this video we will continue discussing the INNER, LEFT and RIGHT joins. I would like to acknowledge the following people for their support: Dr. Majed Alshamari, Dr. Mohammed Bonais, Dr. Abdullah Alaulaimie, Dr. Mohammed Al-Naeem, Mr. Ahmed Alshawayrid, Mr. Naif Bo-Hasan, Mr. Mohammed Tawfiq, my sister, Ms. Reem Uthman, and my brother, Anas Uthman for editing the video.

cross apply sql server example sql server outer apply example sql server join table function with parameter sql server inner join table valued function In this video we will discuss cross apply and outer apply in sql server with examples. We want to retrieve all the matching rows between Department and Employee tables. This can be very easily achieved using an Inner Join as shown below. Select D.DepartmentName, E.Name, E.Gender, E.Salary from Department D Inner Join Employee E On D.Id = E.DepartmentId Now if we want to retrieve all the matching rows between Department and Employee tables + the non-matching rows from the LEFT table (Department) This can be very easily achieved using a Left Join as shown below. Select D.DepartmentName, E.Name, E.Gender, E.Salary from Department D Left Join Employee E On D.Id = E.DepartmentId Now let's assume we do not have access to the Employee table. Instead we have access to the following Table Valued function, that returns all employees belonging to a department by Department Id. Create function fn_GetEmployeesByDepartmentId(@DepartmentId int) Returns Table as Return ( Select Id, Name, Gender, Salary, DepartmentId from Employee where DepartmentId = @DepartmentId ) Go The following query returns the employees of the department with Id =1. Select * from fn_GetEmployeesByDepartmentId(1) Now if you try to perform an Inner or Left join between Department table and fn_GetEmployeesByDepartmentId() function you will get an error. Select D.DepartmentName, E.Name, E.Gender, E.Salary from Department D Inner Join fn_GetEmployeesByDepartmentId(D.Id) E On D.Id = E.DepartmentId If you execute the above query you will get the following error Msg 4104, Level 16, State 1, Line 3 The multi-part identifier "D.Id" could not be bound. This is where we use Cross Apply and Outer Apply operators. Cross Apply is semantically equivalent to Inner Join and Outer Apply is semantically equivalent to Left Outer Join. Just like Inner Join, Cross Apply retrieves only the matching rows from the Department table and fn_GetEmployeesByDepartmentId() table valued function. Select D.DepartmentName, E.Name, E.Gender, E.Salary from Department D Cross Apply fn_GetEmployeesByDepartmentId(D.Id) E Just like Left Outer Join, Outer Apply retrieves all matching rows from the Department table and fn_GetEmployeesByDepartmentId() table valued function + non-matching rows from the left table (Department) Select D.DepartmentName, E.Name, E.Gender, E.Salary from Department D Outer Apply fn_GetEmployeesByDepartmentId(D.Id) E How does Cross Apply and Outer Apply work The APPLY operator introduced in SQL Server 2005, is used to join a table to a table-valued function. The Table Valued Function on the right hand side of the APPLY operator gets called for each row from the left (also called outer table) table. Cross Apply returns only matching rows (semantically equivalent to Inner Join) Outer Apply returns matching + non-matching rows (semantically equivalent to Left Outer Join). The unmatched columns of the table valued function will be set to NULL. Text version of the video http://csharp-video-tutorials.blogspot.com/2015/09/cross-apply-and-outer-apply-in-sql.html Slides http://csharp-video-tutorials.blogspot.com/2015/09/cross-apply-and-outer-apply-in-sql_8.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

Learn to summarize yoru data using the SQL Aggregates such as count and sum and the GROUP BY and HAVING clauses of the SELECT statement

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

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

Hi! I’m Abdulrhman Uthman, a student of King Faisal University in Saudi Arabia. This series is intended for the practical class of Database Concepts students in our university, but anyone who wants to learn database, SQL or Structured Query Language and use Oracle’s APEX are welcome aboard. In this video, we will use SELFJOIN and. JOIN 3 tables. I would like to acknowledge the following people for their support: Dr. Majed Alshamari, Dr. Mohammed Bonais, Dr. Abdullah Alaulaimie, Dr. Mohammed Al-Naeem, Mr. Ahmed Alshawayrid, Mr. Naif Bo-Hasan, Mr. Mohammed Tawfiq, my sister, Ms. Reem Uthman, and my brother, Anas Uthman for editing the video.

Oracle 11g SQL tutorial (Exam 1Z0-051) for beginner / intermediate learners. We are a supplier of IT services to UK's leading Telecom and Financial organizations. This tutorial is presented by our LEAD ORACLE DBA with over 9 yrs of hands-on experience managing Oracle projects for companies such as Oracle Corp, AXA Insurance, Telefonica O2 etc. *** Subscribe for notification on full course availability *** Prev Video ( Introduction ) - http://www.youtube.com/watch?v=Ve4t_PuMaLc SELECT STATEMENT Covers the basic SELECT statement.

http://www.hotosting.com/cresite/ . Tutoriel français SQL : Jointure de 3 tables (join multiples tables). Deux exemples de requêtes SQL à connaître avec 3 tables jointes pour interroger trois tables d'une base de données RELATIONNELLES en même temps à l'aide de SELECT et sa JOINTURE entre 3 tables. https://www.youtube.com/user/yansay88

From SQL Queries Joes 2 Pros (Vol2) ch4.1. Learn up to write aggregated queries.

In this video we will learn about 1. Self Join - Joining a table with itself 2. Self Join is not a different type of join. It can be classified as Inner Self Join, Outer Self Join (Left, Right and Full), or Cross Self Join. Text version of the video http://csharp-video-tutorials.blogspot.com/2012/08/self-join-in-sql-server-part-14.html Slides http://csharp-video-tutorials.blogspot.com/2013/08/part-14-self-join.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

Giraffe Academy is rebranding! I've decided to re-focus the brand of this channel to highlight myself as a developer and teacher! The newly minted Mike Dane channel will have all the same content, with more to come in the future! Source Code - http://www.mikedane.com/databases/sql. This video is one in a series of videos where we'll be looking at database management basics and SQL using the MySQL RDBMS. The course is designed for beginners to SQL and database management systems, and will introduce common database management topics. Throughout the course we'll be looking at various topics including schema design, basic C.R.U.D operations, aggregation, nested queries, joins, keys and much more. If you’re enjoying Giraffe Academy and want to invest in our future, consider leaving a contribution http://www.mikedane.com/contribute Links: Website - http://www.mikedane.com/ Facebook - https://www.facebook.com/giraffeacademy/ Twitter - https://twitter.com/GiraffeAcademy

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Professor Drausio Henrique Chiarotti PD - SELECT com LEFT JOIN no SQL Server 2012 ( como utilizar LEFT JOIN no SELECT ) Aula: ensina a utilizar o LEFT JOIN no SQL Server 2012. A aula utiliza três tabelas, tblPessoa, tblPessoaTelefone e tblPessoaEndereco. Assista também: Criar Base de Dados (Create Database) no Microsoft SQL Server: http://youtu.be/ETtBf2AumUw Criar Tabela (Create Table) com Script SQL no Microsoft SQL Server: http://youtu.be/kKFJkFxG8vA Criar Tabela Utilizando Diagrama (Designer) no SQL Server: http://youtu.be/PmdKMDaQRhA 1ª Temporada: http://www.youtube.com/watch?v=eFydylVZ0cw&feature=c4-overview-vl&list=PLwFf8gSUEopzWGncRvk87h3uA4KWNH7jV Facebook: http://www.facebook.com/ProfessorDrausio Envie sugestões para a temporada: [email protected]

Oracle SQL Developer Tutorial For Beginners Series. This course introduces Oracle SQL Development for its subscribers. Currently this is based on Oracle 12c. The test environment is in Windows 10.

This video will show you how to retrieve data from more than one table using INNER JOIN and LEFT OUTER JOIN in Oracle SQL,

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-1-how-to-find-nth-highest-salary_17.html This is a very common SQL Server Interview Question. There are several ways of finding the nth highest salary. By the end of this video, we will be able to answer all the following questions as well. How to find nth highest salary in SQL Server using a Sub-Query How to find nth highest salary in SQL Server using a CTE How to find the 2nd, 3rd or 15th highest salary Let's use the following Employees table for this demo Use the following script to create Employees table Create table Employees ( ID int primary key identity, FirstName nvarchar(50), LastName nvarchar(50), Gender nvarchar(50), Salary int ) GO Insert into Employees values ('Ben', 'Hoskins', 'Male', 70000) Insert into Employees values ('Mark', 'Hastings', 'Male', 60000) Insert into Employees values ('Steve', 'Pound', 'Male', 45000) Insert into Employees values ('Ben', 'Hoskins', 'Male', 70000) Insert into Employees values ('Philip', 'Hastings', 'Male', 45000) Insert into Employees values ('Mary', 'Lambeth', 'Female', 30000) Insert into Employees values ('Valarie', 'Vikings', 'Female', 35000) Insert into Employees values ('John', 'Stanmore', 'Male', 80000) GO To find the highest salary it is straight forward. We can simply use the Max() function as shown below. Select Max(Salary) from Employees To get the second highest salary use a sub query along with Max() function as shown below. Select Max(Salary) from Employees where Salary [ (Select Max(Salary) from Employees) To find nth highest salary using Sub-Query SELECT TOP 1 SALARY FROM ( SELECT DISTINCT TOP N SALARY FROM EMPLOYEES ORDER BY SALARY DESC ) RESULT ORDER BY SALARY To find nth highest salary using CTE WITH RESULT AS ( SELECT SALARY, DENSE_RANK() OVER (ORDER BY SALARY DESC) AS DENSERANK FROM EMPLOYEES ) SELECT TOP 1 SALARY FROM RESULT WHERE DENSERANK = N To find 2nd highest salary we can use any of the above queries. Simple replace N with 2. Similarly, to find 3rd highest salary, simple replace N with 3. Please Note: On many of the websites, you may have seen that, the following query can be used to get the nth highest salary. The below query will only work if there are no duplicates. WITH RESULT AS ( SELECT SALARY, ROW_NUMBER() OVER (ORDER BY SALARY DESC) AS ROWNUMBER FROM EMPLOYEES ) SELECT SALARY FROM RESULT WHERE ROWNUMBER = 3

Take the Complete Course at: www.jobreadyprogrammer.com In this lesson, you'll be introduced to the basics of the SELECT clause

in this video i will show you how to use select statement and sql plus commands and many more, join our group for more detail https://www.facebook.com/groups/242999206136244/, The Four main categories of SQL statements are as follows: 1. DML (Data Manipulation Language) 2. DDL (Data Definition Language) 3. DCL (Data Control Language) 4. TCL (Transaction Control Language) -------------------------------------------------------------------------- DML statements include the following: SELECT – select records from a table INSERT – insert new records UPDATE – update/Modify existing records DELETE – delete existing records -------------------------------------------------------------------------- DDL statements are used to alter/modify a database or table structure and schema. These statements handle the design and storage of database objects. CREATE – create a new Table, database, schema ALTER – alter existing table, column description DROP – delete existing objects from database -------------------------------------------------------------------------- DCL statements control the level of access that users have on database objects. GRANT – allows users to read/write on certain database objects REVOKE – keeps users from read/write permission on database objects. -------------------------------------------------------------------------- TCL statements allow you to control and manage transactions to maintain the integrity of data within SQL statements. BEGIN Transaction – opens a transaction COMMIT Transaction – commits a transaction ROLLBACK Transaction – ROLLBACK a transaction in case of any error. ------------- .---------------------------------------------------------------------------------------------------------. video courses- list of playlist : tips and trics link► https://www.youtube.com/playlist?list=PLOfLYVXrwqXrI5jvwUEi6N13QR4xCj2k2 command prompt commands: link►https://www.youtube.com/playlist?list=PLOfLYVXrwqXobXGUdGk6JhzyQ216dNiQL oracle sql: link►https://www.youtube.com/playlist?list=PLOfLYVXrwqXqoUWCoh4cARGDW13SofDO- c programming: link►https://www.youtube.com/playlist?list=PLOfLYVXrwqXrZ_Ub8EXeLY7YP1YxhoJzf .-----------------------------------------------------------------------------------------------------------. watch more videos: learn oracle sql online overview tutorail : https://www.youtube.com/watch?v=Dfesgj4w8QA&t=8s how to fix or repair a corrupted usb flash drive or cd card using command prompt: https://www.youtube.com/edit?video_id... how to copy a folder using cmd: https://www.youtube.com/watch?v=Lblhb... how to move a folder using cmd: https://www.youtube.com/watch?v=YFfHZ... how to dell files in cmd: https://www.youtube.com/watch?v=3-lqg... how to make and remove directory: https://www.youtube.com/edit?video_id... how to change color and title in cmd: https://www.youtube.com/edit?video_id... how to change directory in command prompt: https://www.youtube.com/watch?v=SmLYx... .-----------------------------------------------------------------------------------------------------------. social media links: join our group: ► https://www.facebook.com/groups/24299... ► Follow on Google+: http://[email protected] ► Follow on Twitter: https://twitter.com/@rananavi4766669 :

6 common SQL Query Questions

Text Article http://csharp-video-tutorials.blogspot.com/2017/01/sql-query-to-select-all-names-that.html Slides http://csharp-video-tutorials.blogspot.com/2017/01/sql-query-to-select-all-names-that_31.html SQL Server Interview Questions and Answers text articles & slides http://csharp-video-tutorials.blogspot.com/2014/05/sql-server-interview-questions-and.html SQL Server Interview Questions and Answers playlist https://www.youtube.com/playlist?list=PL6n9fhu94yhXcztdLO7i6mdyaegC8CJwR 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 In this video we will discuss writing a SQL query to retrieve all student names that start with letter 'M' without using the LIKE operator. If the interviewer has not mentioned not to use LIKE operator, we would have written the query using the LIKE operator as shown below. SELECT * FROM Students WHERE Name LIKE 'M%' We can use any one of the following 3 SQL Server functions, to achieve exactly the same thing. CHARINDEX LEFT SUBSTRING The following 3 queries retrieve all student rows whose Name starts with letter 'M'. Notice none of the queries are using the LIKE operator. SELECT * FROM Students WHERE CHARINDEX('M',Name) = 1 SELECT * FROM Students WHERE LEFT(Name, 1) = 'M' SELECT * FROM Students WHERE SUBSTRING(Name, 1, 1) = 'M'

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