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case in sql server

Author

Topic

pkuchaliya
Starting Member

49 Posts

Posted - 2008-09-04 : 09:02:50

hi frnd,

I want to perform the multiple checking with case . i want to check the different condition with case . is it possible to perform the given selection condition without if statement

if(@x)=1
begin
"sql statement"
end

if(@x)=2
begin
"sql statement"
end

if(@x)=3
begin
"sql statement"
end

pankaj

madhivanan
Premature Yak Congratulator

22864 Posts

Posted - 2008-09-04 : 09:07:24

Are you changing the WHERE clause based on the condition?

Madhivanan

Failing to plan is Planning to fail

raky
Aged Yak Warrior

767 Posts

Posted - 2008-09-04 : 09:09:03

quote:
Originally posted by pkuchaliya

hi frnd,

I want to perform the multiple checking with case . i want to check the different condition with case . is it possible to perform the given selection condition without if statement

if(@x)=1
begin
"sql statement"
end

if(@x)=2
begin
"sql statement"
end

if(@x)=3
begin
"sql statement"
end

pankaj

declare @x int
select case when @x = 1 then 'Sql Stmt1'
when @x= 2 then 'Sql Stmt2'
when @x= 3 then 'Sql Stmt3'
end

madhivanan
Premature Yak Congratulator

22864 Posts

Posted - 2008-09-04 : 09:11:14

quote:
Originally posted by raky

quote:
Originally posted by pkuchaliya

hi frnd,

I want to perform the multiple checking with case . i want to check the different condition with case . is it possible to perform the given selection condition without if statement

if(@x)=1
begin
"sql statement"
end

if(@x)=2
begin
"sql statement"
end

if(@x)=3
begin
"sql statement"
end

pankaj

declare @x int
select case when @x = 1 then 'Sql Stmt1'
when @x= 2 then 'Sql Stmt2'
when @x= 3 then 'Sql Stmt3'
end

That wont work if the SELECT returns more than a value

Madhivanan

Failing to plan is Planning to fail

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