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24-09-16-SET Operators in SQL Server.sql
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144 lines (110 loc) · 3.32 KB
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--SET Operators in SQL Server
UNION ALL
UNION
INTERSECT
EXCEPT
--Ex1
--SET Operators in SQL Server
UNION ALL
UNION
INTERSECT
EXCEPT
---
SELECT * FROM
(
SELECT 1 AS ID, 'ABC' AS Name UNION ALL
SELECT 2 AS ID, 'DEF' AS Name UNION ALL
SELECT 3 AS ID, 'XYZ' AS Name
)A
UNION ALL
SELECT * FROM
(
SELECT 3 AS ID, 'XYZ' AS Name UNION ALL
SELECT 4 AS ID, 'BCD' AS Name UNION ALL
SELECT 5 AS ID, 'WXY' AS Name
)B
---------
SELECT * FROM
(
SELECT 1 AS ID, 'ABC' AS Name UNION ALL
SELECT 2 AS ID, 'DEF' AS Name UNION ALL
SELECT 3 AS ID, 'XYZ' AS Name
)A
UNION
SELECT * FROM
(
SELECT 3 AS ID, 'XYZ' AS Name UNION ALL
SELECT 4 AS ID, 'BCD' AS Name UNION ALL
SELECT 5 AS ID, 'WXY' AS Name
)B
--------
SELECT * FROM
(
SELECT 1 AS ID, 'ABC' AS Name UNION ALL
SELECT 2 AS ID, 'DEF' AS Name UNION ALL
SELECT 3 AS ID, 'XYZ' AS Name
)A
INTERSECT
SELECT * FROM
(
SELECT 3 AS ID, 'XYZ' AS Name UNION ALL
SELECT 4 AS ID, 'BCD' AS Name UNION ALL
SELECT 5 AS ID, 'WXY' AS Name
)B
--------
SELECT * FROM
(
SELECT 1 AS ID, 'ABC' AS Name UNION ALL
SELECT 2 AS ID, 'DEF' AS Name UNION ALL
SELECT 3 AS ID, 'XYZ' AS Name
)A
EXCEPT
SELECT * FROM
(
SELECT 3 AS ID, 'XYZ' AS Name UNION ALL
SELECT 4 AS ID, 'BCD' AS Name UNION ALL
SELECT 5 AS ID, 'WXY' AS Name
)B
---Ex2
SELECT * FROM
(
SELECT 1 AS ID, 'ABC' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 2 AS ID, 'DEF' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 3 AS ID, 'XYZ' COLLATE Latin1_General_CS_AI AS Name
)A
UNION ALL
SELECT * FROM
(
SELECT 3 AS ID, 'XYZ' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 4 AS ID, 'BCD' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 5 AS ID, 'WXY' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 1 AS ID, 'aBC' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 2 AS ID, 'DeF' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 3 AS ID, 'XYz' COLLATE Latin1_General_CS_AI AS Name
)B
SELECT * FROM
(
SELECT 1 AS ID, 'ABC' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 2 AS ID, 'DEF' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 3 AS ID, 'XYZ' COLLATE Latin1_General_CS_AI AS Name
)A
UNION
SELECT * FROM
(
SELECT 3 AS ID, 'XYZ' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 4 AS ID, 'BCD' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 5 AS ID, 'WXY' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 1 AS ID, 'aBC' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 2 AS ID, 'DeF' COLLATE Latin1_General_CS_AI AS Name UNION ALL
SELECT 3 AS ID, 'XYz' COLLATE Latin1_General_CS_AI AS Name
)B
-----------
SELECT * FROM EmpTab WHERE EmpFirstName = 'Mouli. K'
SELECT * FROM EmpTab WHERE EmpFirstName = 'mouli. k'
SELECT * FROM EmpTab WHERE EmpFirstName = 'MOULI. K'
ALTER TABLE EMPtab
ALTER COLUMN EmpFirstName VARCHAR(100) COLLATE Latin1_General_CS_AI
SELECT * FROM EmpTab WHERE EmpFirstName = 'Mouli. K'
SELECT * FROM EmpTab WHERE EmpFirstName = 'Mouli. k'
SELECT * FROM EmpTab WHERE EmpFirstName = 'mouli. k'
SELECT * FROM EmpTab WHERE EmpFirstName = 'MOULI. K'