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Union and union all in sql server   Part 17
 
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In this video we will learn about the 1. Purpose of UNION and UNION ALL 2. Difference between UNION and UNION ALL 3. Difference between JOIN and UNION Text version of the video http://csharp-video-tutorials.blogspot.com/2012/08/union-and-union-all-in-sql-server-part.html Slides http://csharp-video-tutorials.blogspot.com/2013/08/part-17-union-and-union-all.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: 265959 kudvenkat
SQL UNION, INTERSECT, EXCEPT
 
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Jamie King of Neumont University demonstrating UNION, INTERSECT, and EXCEPT.
Views: 45105 Jamie King
SelectTec | Aula Nº 33 | Union / Union ALL - Oracle SQL Developer
 
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Sintax select coluna1 from tabela1 union select coluna2 from tabela2; select coluna1 from tabela1 union all select coluna2 from tabela2 where expressão...
Views: 1003 SelectTec
SQL Intersect, Union, Union All, Minus, and Except
 
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This video explains how the keywords INTERSECT, UNION, UNION ALL, MINUS, and EXCEPT are used in SQL.
Views: 46544 1Keydata
15 of 15 SQL Basics with Oracle - Traditional set operators: UNION, INTERSECT & MINUS
 
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This video gives examples of three set operators: UNION, INTERSECT, MINUS. The union compatible rule is also explained. Set operators are used when output comes from more than one SQL statement. (15 of 15) There is also an "Advanced SQL" series. (Search for "databasemec" for tutorials using SQL Server.)
Views: 12575 Jennifer Kreie
Difference between union intersect and except in sql server
 
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difference between union and union all difference between intersect and union difference between intersect and except in sql server union vs union all sql server union vs intersect sql server intersect vs except In this video we will discuss the difference between union intersect and except in sql server with examples. UNION operator returns all the unique rows from both the left and the right query. UNION ALL included the duplicates as well. INTERSECT operator retrieves the common unique rows from both the left and the right query. EXCEPT operator returns unique rows from the left query that aren’t in the right query’s results. UNION operator returns all the unique rows from both the queries. Notice the duplicates are removed. Select Id, Name, Gender from TableA UNION Select Id, Name, Gender from TableB UNION ALL operator returns all the rows from both the queries, including the duplicates. Select Id, Name, Gender from TableA UNION ALL Select Id, Name, Gender from TableB INTERSECT operator retrieves the common unique rows from both the left and the right query. Notice the duplicates are removed. Select Id, Name, Gender from TableA INTERSECT Select Id, Name, Gender from TableB EXCEPT operator returns 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 If you wnat the rows that are present in Table B but not in Table A, reverse the queries. Select Id, Name, Gender from TableB EXCEPT Select Id, Name, Gender from TableA For all these 3 operators to work the following 2 conditions must be met The number and the order of the columns must be same in both the queries The data types must be same or at least compatible For example, if the number of columns are different, you will get the following error Msg 205, Level 16, State 1, Line 1 All queries combined using a UNION, INTERSECT or EXCEPT operator must have an equal number of expressions in their target lists. Text version of the video http://csharp-video-tutorials.blogspot.com/2015/09/difference-between-union-intersect-and.html Slides http://csharp-video-tutorials.blogspot.com/2015/09/difference-between-union-intersect-and_7.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: 38088 kudvenkat
SQL tutorial 49: CASE - Simple Case Expression in Oracle Database (1/2)
 
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Case expression let you perform IF-THEN-ELSE in oracle database. There are two type of case in oracle simple case expression and searched case expression. This SQL Tutorial 49 is about Simple Case Expression. ● What Is Case Expression ● Syntax of Simple Case Expression ● Query 1. Column name of a table as Search expression in CASE ● Query 2. String as Search expression in CASE Celebrating 1000 subscribers. Thanks a lot guys for all your love and support. ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/simple-case-expression ------------------------------------------------------------------------- Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the first one to see my videos! -------------------------------------------------------------------------- Amazon Wishlist: http://bit.ly/wishlist-amazon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at [email protected] 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: 38827 Manish Sharma
Grouping Sets in SQL Server
 
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grouping sets examples in sql server sql server grouping sets order by grouping sql server 2008 grouping sets example sql server group by union all Grouping sets is a new feature introduced in SQL Server 2008. Let us understand Grouping sets with an example. We want to calculate Sum of Salary by Country and Gender. We can very easily achieve this using a Group By query as shown below Select Country, Gender, Sum(Salary) as TotalSalary From Employees Group By Country, Gender Within the same result set we also want Sum of Salary just by Country. To achieve the above result we could combine 2 Group By queries using UNION ALL as shown below. Select Country, Gender, Sum(Salary) as TotalSalary From Employees Group By Country, Gender UNION ALL Select Country, NULL, Sum(Salary) as TotalSalary From Employees Group By Country Within the same result set we also want Sum of Salary just by Gender. We can achieve this by combining 3 Group By queries using UNION ALL as shown below Select Country, Gender, Sum(Salary) as TotalSalary From Employees Group By Country, Gender UNION ALL Select Country, NULL, Sum(Salary) as TotalSalary From Employees Group By Country UNION ALL Select NULL, Gender, Sum(Salary) as TotalSalary From Employees Group By Gender Finally we also want the grand total of Salary. In this case we are not grouping on any particular column. So both Country and Gender columns will be NULL in the resultset. To achieve this we will have to combine the fourth query using UNION ALL as shown below. Select Country, Gender, Sum(Salary) as TotalSalary From Employees Group By Country, Gender UNION ALL Select Country, NULL, Sum(Salary) as TotalSalary From Employees Group By Country UNION ALL Select NULL, Gender, Sum(Salary) as TotalSalary From Employees Group By Gender UNION ALL Select NULL, NULL, Sum(Salary) as TotalSalary From Employees There are 2 problems with the above approach. The query is huge as we have combined different Group By queries using UNION ALL operator. This can grow even more if we start to add more groups The Employees table has to be accessed 4 times, once for every query. If we use Grouping Sets feature introduced in SQL Server 2008, the amount of T-SQL code that you have to write will be greatly reduced. The following Grouping Sets query produce the same result as the above UNION ALL query. Select Country, Gender, Sum(Salary) TotalSalary From Employees Group BY GROUPING SETS ( (Country, Gender), -- Sum of Salary by Country and Gender (Country), -- Sum of Salary by Country (Gender) , -- Sum of Salary by Gender () -- Grand Total ) The order of the rows in the result set is not the same as in the case of UNION ALL query. To control the order use order by as shown below. Select Country, Gender, Sum(Salary) TotalSalary From Employees Group BY GROUPING SETS ( (Country, Gender), -- Sum of Salary by Country and Gender (Country), -- Sum of Salary by Country (Gender) , -- Sum of Salary by Gender () -- Grand Total ) Order By Grouping(Country), Grouping(Gender), Gender Text version of the video http://csharp-video-tutorials.blogspot.com/2015/09/grouping-sets-in-sql-server.html Slides http://csharp-video-tutorials.blogspot.com/2015/09/grouping-sets-in-sql-server_19.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: 50016 kudvenkat
8. SQL Tutuorial -Telugu (Union,Union all)
 
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Explaining about union and union all
Views: 5809 lakshmi sowbhagya
SQL Union Operator with Example in Oracle 11g(Hindi, English)
 
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SQL Tutorial for Beginners in Hindi and English SQL Union Operator with Example in Oracle 11g(Hindi, English)
Ejemplo de UNION Y UNION ALL en SQL server
 
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Mas Información VISITA: https://sites.google.com/site/masterdb84/oracle/union-union-all
Views: 3135 NubsDataBase
Union and union all in sql server in arabic
 
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Text version of the video http://csharp-video-tutorials.blogspot.com/2012/08/union-and-union-all-in-sql-server-part.html Slides http://csharp-video-tutorials.blogspot.com/2013/08/part-17-union-and-union-all.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: 959 kudvenkat.arabic
SQL Union and Union All Operators - Tutorial w/ Derby Database
 
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http://www.zaneacademy.com | download source code @ http://sites.fastspring.com/zaneacademy/product/all | 00:00 What is an example of using Union and union all operators in a derby database? | 04:15 What is the SQL UNION Operator? | 05:10 What is an example of the SQL UNION Operator? | 07:25 What is the SQL UNION ALL Operator? | 07:38 What is the difference between the SQL Union and Union All operators? | 08:00 What is an example of the SQL UNION All Operator?
Views: 1948 zaneacademy
Oracle DENSE_RANK Function
 
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https://www.databasestar.com/oracle-dense_rank/ The Oracle DENSE_RANK function allows you to calculate a rank of a row in a group of rows. It returns this rank as a NUMBER value. This function can be used as either an analytic or an aggregate function, and the syntax depends on how you use it. As an aggregate function it looks like this: DENSE_RANK ( expr, [expr(n)] ) WITHIN GROUP ( ORDER BY (order_expr [ASC|DESC] [NULLS FIRST|LAST] ) These parameters are: - expr: this is the value to search for in a particular table. You can specify multiple search values, and just separate them by a comma. - order_expr: this is used to order the expr values by, because you get a different results depending on what order you rank the values in. - NULLS FIRST or LAST: this is where you can specify if you want to have NULL values appear at the top of your ranking order or at the bottom. As an analytic function, it looks like this: DENSE_RANK() OVER ( [query_partition_clause] order_by_clause) The parameters are: - query_partition_clause: this is the expression that the ranking is “grouped” by, as analytic functions allow you to group data within rows. - order_by_clause: this is the expression to order your results by to determine a rank. For this function, if two records have the same sort or rank position, they will have the same RANK value. It won’t cause a gap in the rankings, unlike the RANK function which does cause a gap. For more information about the Oracle DENSE_RANK function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-dense_rank/
Views: 435 Database Star
13.27 UNION, UNION ALL
 
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Komplette Liste der Videos und zusätzliches Material auf http://datenbankenlernen.de Informatik, Uni Saarland: Bachelor: http://www.cs.uni-saarland.de/index.php?id=52&L=1&source=1327 Master: http://www.cs.uni-saarland.de/index.php?id=132&L=1&source=1327 Ph.D./Grad School: http://gradschool.cs.uni-saarland.de/&source=1327
SQL Server Tutorial 11- Union, Union All, Intersect and Except
 
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Union, union all, intersect and except
Views: 353 juniorAdmin
SQL Server - Union
 
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TSQL , Union , Union all , SqlServer 2008R2
Views: 156 kralegitim
SQL Union, Intersect and Minus Operators with Examples – Lecture 10 - EEC Classes
 
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SQL Union Compatibility Rules, Learn to Apply Union, Intersect and Minus Operators on Two Tables of SQL
SQL Tutorial in Oracle - 4 NULL, LIKE, DISTINCT, ORDER BY
 
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SQL SELECT statement is used to fetch the data from a database table which returns data in the form of result table. These result tables are called result-sets. The LIKE operator is used in a WHERE clause to search for a specified pattern in a column. In SQL, wildcard characters are used with the SQL LIKE operator. SQL wildcards are used to search for data within a table. With SQL, the wildcards are: Wildcard Description % A substitute for zero or more characters _ A substitute for a single character [charlist] Sets and ranges of characters to match [^charlist] or [!charlist] Matches only a character NOT specified within the brackets 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: 18758 Telusko
17 MySQL Tutorial for Beginners: Unions - Literals - Full Outer Ioins
 
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A union combines the result sets of two or more SELECT statements into one single result set. To code a union you use the UNION keyword to connect two or more SELECT statements. Note that the column names in the final result set are taken from the first SELECT clause. When you code a union, the result of each SELECT statement must have the same number of columns. If you want to sort the result of a union operation, you can code an ORDER BY clause after the last SELECT statement. In an ORDER BY clause, you must use the column names that are specified in the first SELECT statement. That's because the column names in the final result set are taken from the first SELECT clause. Coding literal values instead of column specifications, could be very useful in UNIONS. You can code literal values in the SELECT clause, to indicate which table each row in the result set came from. You can use the UNION keyword to combine the result sets for a left and a right outer joins. This technique is also known as “full outer join“ . Because MySQL does not provide language for coding a full outer join, you can simulate it by coding an union that combines the result sets for a left outer join and a right outer join. EXERCISES for your SELF-TRAINING: http://golearnfast.com/Quizzes.php?_SelectSmallerGroup_294=0&Lessons_ID=294 SCRIPT FOR THE EXAMPLES: http://www.golearnfast.com/files/lessons_material/lesson_277_1440544998.sql SUBSCRIBE! https://www.youtube.com/channel/UCMEaGDoHU7c9tWyafZ9vC6Q?sub_confirmation=1 FACEBOOK https://www.facebook.com/golearnfast GOOGLE+ https://plus.google.com/u/0/b/101326338689489366802/
Views: 2534 golearnfast
P#4 Difference between union and union all in oracle database -  interview question on sql queries
 
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Tutorial on what is the difference union and union all this frequently asked question will help you in Oracle SQL database interview question This will clear few concepts of set operator and over here the difference between union and union all in oracle explained with the example , union vs union all performance slow in oracle This will cover the Following question: 1) when to use union and when to use union all definition : the difference between Union and Union all is that Union all will not eliminate duplicate rows, instead, it just pulls all rows from all tables fitting your query specifics and combines them into a table. A UNION statement effectively does a SELECT DISTINCT on the results 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 #OracleSQL #rakeshmalviya #UnionALL
Views: 36 EqualConnect Coach
Union, Union All - MySQL
 
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Discussed in detail the standard keywords that are used very commonly to write queries. These are basic examples that can be used for beginners.
Views: 2570 Gattu Guntur
Lecture 34: Oracle Sql:UNION operator
 
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Oracle Sql:UNION operator https://www.youtube.com/channel/UCnBpiBIOtRgMsk4G7Ri1jbQ
Views: 145 Oracle SQL
Inner, Outer, Right, Left, Full, Union, Union All, Cross Join in DB2 - Tutorial - Job Training
 
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In this video, I have tried to explain JOIN Operation in DB2 and it’s different type. I have tried explaining Inner Join, Outer Join, Left Join, Right Join, Full Join, Equi Join, Non-Equi Join, Full Outer Join, UNION, UNION All, and Cross Join. I request if you have not subscribed to this channel, please do subscribe to this channel and Click on BELL Icon to get immediate notification as soon as I upload new videos. If you have any suggestion or doubt regarding this video, please post it in the Youtube comment section below and I will try to improve and include it in my next video. Thanks for watching. If you have any suggestion, Please do share it in Comment section or Facebook page of ITJOBMATTER - https://www.facebook.com/ITJobMatter/
Views: 1283 ITJobMatter
Chapter 9 : SQL Set Operators
 
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Set operators are used to join the results of two (or more) SELECT statements.The SET operators available in Oracle 11g are UNION,UNION ALL,INTERSECT,and MINUS. Same number of columns must be selected by all participating SELECT statements.Column names used in the display are taken from the first query. Data types of the column list must be compatible/implicitly convertible by oracle. Oracle will not perform implicit type conversion if corresponding columns in the component queries belong to different data type groups.For example, if a column in the first component query is of data type DATE, and the corresponding column in the second component query is of data type CHAR,Oracle will not perform implicit conversion, but raise ORA-01790 error. Positional ordering must be used to sort the result set. Individual result set ordering is not allowed with Set operators. ORDER BY can appear once at the end of the query. For example, UNION and INTERSECT operators are commutative, i.e. the order of queries is not important; it doesn't change the final result. Performance wise, UNION ALL shows better performance as compared to UNION because resources are not wasted in filtering duplicates and sorting the result set. Set operators can be the part of sub queries. Set operators can't be used in SELECT statements containing TABLE collection expressions. The LONG, BLOB, CLOB, BFILE, VARRAY,or nested table are not permitted for use in Set operators.For update clause is not allowed with the set operators.
SQL UNION clause Telugu | SQL - Union Statement-vlr training
 
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For all sql videos in Telugu :http://www.vlrtraining.in/sql-training-videos-telugu/ In Telugu: SQL UNION clause Telugu SQL - Union Statement SQL: UNION Operator The SQL UNION clause/operator is used to combine the results of two or more SELECT statements without returning any duplicate rows. 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: 824 VLR Training
SQL Server - SQL Server Union All
 
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Curso Oracle PL/SQL Essentials http://bit.ly/1N3upVn Curso Oracle SQL Expert - Certificação 1Z0-047 http://bit.ly/1G4rKWG Curso Oracle Aprendendo SQL - Preparatório exames 1Z0-051/1Z0-061 http://bit.ly/1eqDlsr Curso de Administração de Redes de Computadores http://goo.gl/nXjaXS Que tal Aprender PHP Orientado a Objetos do Jeito Certo? Aprender a Criar um Framework PHP, Seu Próprio Painel de Controle e um Guia Comercial! http://goo.gl/Yy3QvB Curso de SQL Server - Aprenda neste ótimo curso de SQL Server conceitos desde a introdução, passando pela instalação, conceitos de bancos de dados, modelagem e programação SQL. Ao fazer o Curso de SQL Server você estará apto a desempenhar funções como administrador de bancos de dados SQL Server. Este Curso de SQL Server foi desenvolvido com uma didática simples e de facil entendimento. O Curso é oferecido gratuitamente aqui porém caso tenha interesse em se aprofundar e aprender outros sistemas de bancos de dados a fundo acesse os links acima. Também acesse o link de administração de redes de computadores para mais conhecimento nesta área tornando-se um profissional completo. Tags: SQL Server SQL Server 2008 SQL Server 2012 cursos gratuitos banco de dados sgbd
Views: 1402 Cursos Interativos
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: 41964 kudvenkat
Oracle SQL Tutorial For Beginners | Oracle SQL Online Training - Session 1
 
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Course : Oracle SQL Online Training Mode of Training : Online Duration : 40 Hours Timings : Flexible Oracle SQL Online Training Demo Registration Link : http://svsoftsolutions.com/demo.aspx Introduction to SQL What is SQL? What Can SQL do? RDBMS SQL Syntax Database Tables SQL Statements Overview of Most Important SQL Commands SELECT UPDATE DELETE INSERT CREATE TABLE ALTER TABLE DROP TABLE CREATE INDEX DROP INDEX SQL SELECT Statement SELECT syntax Demo Database SELECT Column Example SELECT * Example SQL Distinct SELECT DISTINCT Statement SELECT DISTINCT Syntax SELECT DISTINCT Example SQL WHERE Clause WHERE Clause WHERE Clause Example Operators in the WHERE Clause SQL AND & OR Operators AND Operator Example OR Operator Example Combining AND & OR SQL ORDER BY ORDER BY Syntax ORDER BY Example ORDER BY DESC Example ORDER BY Several Column Examples SQL Insert Into INSERT INTO Syntax INSERT INTO Examples Insert Data into Specified Columns SQL UPDATE UPDATE Syntax UPDATE Example Watch out UPDATE statement. SQL DELETE DELETE Syntax DELETE Examples Delete All the Data SQL Aliases SQL Alias Syntax for Columns Alias Example for Table Columns Alias Example for Tables. SQL Joins Different SQL JOINs INNER JOIN LEFT OUTER JOIN RIGHT OUTER JOIN FULL OUTER JOIN SQL UNION UNION Syntax UNION Example UNION ALL Syntax UNION ALL Example SQL Insert Into Select INSERT INTO SELECT Syntax INSERT INTO SELECT Examples SQL Create Table CREATE TABLE Syntax CREATE TABLE Example SQL Constraints CREATE TABLE + CONSTRAINT Syntax NOT NULL Constraint UNIQUE Constraint UNIQUE Constraint on CREATE TABLE UNIQUE Constraint on ALTER TABLE To DROP a UNIQUE Constraint PRIMARY KEY Constraint PRIMARY KEY Constraint on CREATE TABLE PRIMARY KEY Constraint on ALTER TABLE To DROP a PRIMARY KEY Constraint FOREIGN KEY Constraint FOREIGN KEY Constraint on CREATE TABLE FOREIGN KEY Constraint on ALTER TABLE To DROP a FOREIGN KEY Constraint CHECK Constraint CHECK Constraint on CREATE TABLE CHECK Constraint on ALTER TABLE To DROP a CHECK Constraint DEFAULT Constraint on CREATE TABLE DEFAULT Constraint on ALTER TABLE To DROP a DEFAULT Constraint SQL Create Index CREATE INDEX Syntax CREATE UNIQUE INDEX Syntax CREATE INDEX Example SQL DROP Command The DROP INDEX Statement The DROP TABLE Statement The DROP DATABASE Statement The TRUNCATE TABLE Statement SQL ALTER Command The ALTER TABLE Statement ALTER TABLE Example Change Data Type Example DROP COLUMN Example SQL VIEWS CREATE VIEW Statement CREATE VIEW Syntax CREATE VIEW Examples CREATE OR REPLACE VIEW Syntax Dropping a View SQL NULL Values Working with NULL Values IS NULL IS NOT NULL SQL NULL Functions NVL COALESCE For more details visit our website : www.svsoftsolutions.com Or reach us @ USA : +1-845-915-8712 (Toll Free), India : +91-9642373173
Views: 2219 SV Soft Solutions
SQL Joins Tutorial for Beginners - Inner Join, Left Join, Right Join, Full Outer Join
 
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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
Views: 170145 Joey Blue
24. SQL UNION & UNION ALL
 
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In this video we will learn about the 1. Purpose of UNION and UNION ALL 2. Difference between UNION and UNION ALL. Union and Union all Set operator in SQL/Oracle Database with example also the difference between union and union all. Please Subscribe Channel Like, Share and Comment. For more videos follow : https://youtu.be/FM6DCOKuLw0
Views: 131 ProSchool
union vs union all in sql server | Union in SQL | Union All in SQL Server
 
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This video talks about union vs union all in sql server Union in SQL Union All in SQL Server What is the difference between Union and Union All in SQL Server union vs union all in sql server Union examples in sql server Union All Examples in Sql server Part of Sql Interview Questions Sql questions and answers SQL FAQ SQL Tutorial Sql for beginners
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Neste vídeo do curso de banco de dados SQL Server para iniciantes eu falo sobre como juntar dois selects usando o union all. O exemplo dado no vídeo é somente a critério de exemplo e de regras para o uso do union all. Github - https://github.com/Zurubabel/SQLServer/tree/master/Basico Tags Banco de Dados, SQL Server, Básico, Aula 16, Como Juntar Selects, Union All, como selecionar dados, T-SQL Facebook https://www.facebook.com/Zurubabel Twitter https://www.twitter.com/ZurubabelBr
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DISTINCT, UNION and UNION ALL in SQL Server 2017. Support YPN on Patreon! http://www.patreon.com/YPN Website and Forum: http://yourprogrammingnetwork.co.uk Join us on Facebook! https://www.facebook.com/pages/Your-Programming-Network/280950122022281 Chat on Discord https://discord.gg/br3ZB3f
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);
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SQL AND/OR Operator with Example in Oracle 11g Database
 
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SQL Tutorial for Beginners in Hindi and English SQL AND/OR Operator with Example in Oracle 11g Database
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learn the function of union intersection and minus please share comment don't forget to subscribe
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Video tutorial del operador SQL UNION con MySql
 
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En este video tutorial se explica como se usa el operador SQL UNION utilizando MySql Workbench. Se explica con un ejemplo su uso así como el del UNION ALL y su conjunción con ORDER BY. Para más información sobre este tema ver; http://www.edu4java.com/es/sql/sql16.html Para videos de sql relacionados ver; http://www.edu4java.com/sql.html En ; http://www.edu4java.com enseñamos java, android, sql, juegos, swing, spring,servlet, jsp y mucho más!!! También pueden visitar el canal de youtube; http://www.youtube.com/user/edu4java Y suscribirse ; http://www.youtube.com/channel/UCsxGELCoTMFXD3PX0hzxZAQ?sub_confirmation=1
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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.
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Difference between Procedure and Function List of all the SQL and PLSQL interview questions https://easy-learning-tech.blogspot.com/p/oracle-sql-plsql-interview-questions.html
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ORDER BY CLAUSE FOR EXPERT IN ORACLE SQL WITH EXAMPLE
 
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This is a free video tutorial on writing order by clause in an oracle sql statement. This video tutorial demonstrated how we can use column name, column number, expression, function, null first, null last, asc and desc in an order by clause. Also the video tutorial explains the possible cause and the solution to ora-01791: not a selected expression oracle error
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In this lesson we continue on from the last lesson and dive deeper into query filtering using the BETWEEN, IN and NULL keywords
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For more such videos visit http://www.questpond.com For more such videos subscribe https://www.youtube.com/questpondvideos?sub_confirmation=1 Also watch Learn Sql Queries in 1 hour :- https://www.youtube.com/watch?v=uGlfP9o7kmY See our other Step by Step video series below :- Learn Angular tutorial for beginners https://tinyurl.com/ycd9j895 Learn MVC Core step by step :- http://tinyurl.com/y9jt3wkv Learn MSBI Step by Step in 32 hours:- https://goo.gl/TTpFZN Learn Xamarin Mobile Programming Step by Step :- https://goo.gl/WDVFuy Learn Design Pattern Step by Step in 8 hours:- https://goo.gl/eJdn0m Learn C# Step by Step in 100 hours :- https://goo.gl/FNlqn3 Learn Data structures & algorithm in 8 hours :-https://tinyurl.com/ybx29c5s Learn SQL Server Step by Step in 16 hours:- http://tinyurl.com/ja4zmwu Learn Javascript in 2 hours :- http://tinyurl.com/zkljbdl Learn SharePoint Step by Step in 8 hours:- https://goo.gl/XQKHeP Learn TypeScript in 45 Minutes :- https://goo.gl/oRkawI Learn webpack in 50 minutes:- https://goo.gl/ab7VJi Learn Visual Studio code in 10 steps for beginners:- https://tinyurl.com/lwgv8r8 Learn Tableau step by step :- https://tinyurl.com/kh6ojyo Preparing for C# / .NET interviews start here http://www.youtube.com/watch?v=gaDn-sVLj8Q In this video we will try to understand four important concepts Inner joins,Left join,Right join and full outer joins. We are also distributing a 100 page Ebook ".Sql Server Interview Question and Answers". If you want this ebook please share this video in your facebook/twitter/linkedin account and email us on [email protected] with the shared link and we will email you the PDF.
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Bài số 8 trong loạt bài về Oracle SQL Fundametal. - Nội dung bám sát chương trình học SQL Fundametal của Oracle. - Cần thiết cho tất cả Database Developer/ Database Adminstrator. - Trang bị kiến thức cho các môn thi: 1Z0-051, 1Z0-061, 1Z0-071, ...
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Oracle Using In , Between and Not تعليم أوراكل
 
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by Mohamed El Desouki - محمد الدسوقى [email protected] Tel :00966 553450836 جامعة سلمان بن عبد العزيز - السعودية - الخرج How to use In , Between and Not. Text Book: Fundamentals of Database Systems, 5th Edition, by Elmasri/Navathe, published by Addison-W oracle create table statement oracle drop table statement oracle constraints database constraints primary key constraint foreign key constraint check constraint null not null constraint unique constraint insert into statement update statement delete statement select statement basic query where clause select where Like '%' Like '_' select where Like select where Between Between , Not Between select where In , Not In
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Oracle Sql: GROUP BY with HAVING clause https://www.youtube.com/channel/UCnBpiBIOtRgMsk4G7Ri1jbQ
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Oracle Tutorials - Like Operator
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Operadores SET: Operador Union. Operador Union All. Operador Intersect. Operador Minus. Jerarquías.
How To Use Union And Union All With Join In Mysql query | MySql Tutorial | Part 28
 
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In this tutorial, I will show you, how to use union and union all with join in mysql query. After this tutorial you can learn, how to use union and union all with join in mysql query. Please! like, comment and share this video and Please Please subscribe this channel. Wish You Success, Shoaib Hossain (softall503s - soft all)
Views: 27 Soft-All