include Case condition in Where Clause

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include Case condition in Where Clause

Author

Topic

asif372
Posting Yak Master

100 Posts

Posted - 2011-11-24 : 04:33:12

Dear,
I want to include condition in Where Clause
My Query is this but Case is not Working

DECLARE @Emp NVARCHAR(50)
SET @Emp = 40

Select * from Employee
WHERE
(Case When @EMP = 40 then Group = 1
When @EMP = 42 then Group = 2
)

Kindly Help
Thanks

RickD
Slow But Sure Yak Herding Master

3608 Posts

Posted - 2011-11-24 : 04:35:46

DECLARE @Emp NVARCHAR(50)
SET @Emp = 40

Select * from Employee
WHERE Group = Case When @EMP = 40 then Group = 1 When @EMP = 42 then Group = 2 END

khtan
In (Som, Ni, Yak)

17689 Posts

Posted - 2011-11-24 : 04:38:33

[code]
Select * from Employee
WHERE Group =
(
Case When @EMP = 40 then ~~Group~~ = 1
When @EMP = 42 then ~~Group~~ = 2
end
)[/code]

OR

[code]
Select *
from Employee
where (@EMP = 40 AND Group = 1)
OR (@EMP = 42 AND Group = 2)
[/code]

KH
[spoiler]Time is always against us[/spoiler]

asif372
Posting Yak Master

100 Posts

Posted - 2011-11-24 : 04:47:33

Dear,
i dont want to search for 1 field i want conditions to search from different fields. when user select 40 it should search from group
and when user select 42 it should search from group2

Like this

(Case When @EMP = 40 then Group = 1
When @EMP = 42 then Group2 = 1
)

Kindly Help

webfred
Master Smack Fu Yak Hacker

8781 Posts

Posted - 2011-11-24 : 05:02:26

Did you try the given solutions or do you think you are able to see - without trying - that they would not work?

No, you're never too old to Yak'n'Roll if you're too young to die.

asif372
Posting Yak Master

100 Posts

Posted - 2011-11-24 : 07:43:26

Dear,
I want to include condition in Where Clause
when @EMP = 40 then it should Group1 = 1
Else
Group2 = 1

My Query is this but Case is not Working

DECLARE @Emp NVARCHAR(50)
SET @Emp = 40

Select * from Employee
WHERE
(Case When @EMP = 40 then Group1 = 1
When @EMP = 42 then Group2 = 1
)

Kindly Help
Thanks

RickD
Slow But Sure Yak Herding Master

3608 Posts

Posted - 2011-11-24 : 07:49:17

DECLARE @Emp NVARCHAR(50)
SET @Emp = 40

Select * from Employee
WHERE Case When @EMP = 40 then Group1 When @EMP = 42 then Group2 END = Case When @EMP = 40 then 1 When @EMP = 42 then 2 END

webfred
Master Smack Fu Yak Hacker

8781 Posts

Posted - 2011-11-24 : 07:49:33

Try this please:

Select * from Employee

WHERE
Group1 = CASE WHEN @EMP = 40 THEN 1 ELSE Group1 END
AND
Group2 = CASE WHEN @EMP = 42 THEN 1 ELSE Group2 END

No, you're never too old to Yak'n'Roll if you're too young to die.

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