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Categories / MSSQL Tutorial / Set Operations
 

Using Unions to Display Data from Multiple Queries

5>  CREATE TABLE Classification ( 6>      Classif_ID         integer  NOT NULL PRIMARY KEY, 7>      Classification    varchar(25)) 8> GO 1> 2> INSERT into Classification VALUES( 1,"Pop") 3> INSERT into Classification VALUES( 2,"Country") 4> INSERT into Classification VALUES( 3,"Alternative") 5> INSERT into Classification VALUES( 4,"Metal") 6> GO (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) 1> 2> 3> CREATE TABLE CD ( 4>      CD_ID              integer  NOT NULL PRIMARY KEY, 5>      CD_Title           varchar(40), 6>      Composer_ID        integer  NOT NULL, 7>      Classif_ID         integer  NOT NULL, 8>      SalesPrice        money, 9>      AverageCost       money) 10> GO 1> INSERT into CD VALUES(2000,"John",100,1,16.99,6.99) 2> INSERT into CD VALUES(2001,"Chicago 16",107,1,14.99,5.99) 3> INSERT into CD VALUES(2002,"Chicago 17",107,1,14.99,5.99) 4> INSERT into CD VALUES(2003,"Chicago 18",107,1,14.99,5.99) 5> INSERT into CD VALUES(2004,"Greatest Hits",107,1,16.99,7.99) 6> INSERT into CD VALUES(2005,"Midnight",101,3,14.99,5.99) 7> INSERT into CD VALUES(2006,"Mode",115,3,14.99,5.99) 8> INSERT into CD VALUES(2007,"Ultra",115,3,15.99,5.99) 9> INSERT into CD VALUES(2008,"Mindcrime",102,4,14.99,5.99) 10> INSERT into CD VALUES(2009,"Empire",102,4,14.99,5.99) 11> INSERT into CD VALUES(2010,"Land",102,4,12.99,4.99) 12> INSERT into CD VALUES(2011,"Night",103,4,11.99,3.99) 13> INSERT into CD VALUES(2012,"Pyromania",103,4,14.99,5.99) 14> INSERT into CD VALUES(2013,"Hysteria",103,4,14.99,5.99) 15> INSERT into CD VALUES(2014,"Hits",103,4,13.99,4.99) 16> INSERT into CD VALUES(2015,"Hits 2",104,2,15.99,6.99) 17> INSERT into CD VALUES(2016,"Greatest",105,2,14.99,5.99) 18> INSERT into CD VALUES(2017,"Hits 3",106,1,13.99,5.99) 19> INSERT into CD VALUES(2018,"Deep",108,1,12.99,2.99) 20> INSERT into CD VALUES(2019,"Turning",109,1,14.99,5.99) 21> INSERT into CD VALUES(2020,"TheHits",109,1,16.99,7.99) 22> INSERT into CD VALUES(2021,"Cars",110,1,9.99,3.99) 23> INSERT into CD VALUES(2022,"Anthology",110,1,25.99,11.99) 24> INSERT into CD VALUES(2023,"City",110,1,14.99,5.99) 25> INSERT into CD VALUES(2024,"Rick",111,1,11.99,2.99) 26> INSERT into CD VALUES(2025,"Live",112,1,19.99,8.99) 27> INSERT into CD VALUES(2026,"Pat",113,1,16.99,6.99) 28> INSERT into CD VALUES(2027,"Big",114,1,14.99,5.99) 29> INSERT into CD VALUES(2028,"Hurting",114,1,11.99,3.99) 30> INSERT into CD VALUES(2029,"Vol 1",116,1,9.99,2.99) 31> INSERT into CD VALUES(2030,"Vol 2",116,1,9.99,2.99) 32> GO (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) 1> 2> 3> SELECT CONVERT(varchar(30),SalesPrice) from CD 4> UNION 5> Select Classification from Classification 6> GO ------------------------------ 11.99 12.99 13.99 14.99 15.99 16.99 19.99 25.99 9.99 Alternative Country Metal Pop (13 rows affected) 1> 2> drop table Classification; 3> 4> drop table CD; 5> GO