How to use case statement for inserting vales into table

Question

1.00/5 (1 vote)

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SQL-server-2000

SQL-Server-2005

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I am using this query to insert but getting syntax errors ...

SQL

insert into #tmp1
select strcallDi,
case when strcallDi=A
then strDescrip='Origi'
case when strcallDi=b
then strDescrip='Termi'
case when strcallDi=c
then strDescrip='Inco'
case when strcallDi=d
then strDescrip='Outg'
else
unknown
end
from (Select distinct strcallDi From B) As A
Where strcallDi not in (Select strCallDirection From dbo.#tmp1)

Help

Posted 24-Jan-14 3:50am

ankush1989

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Stephen Hewison · Answer 1 · 2014-01-24T03:56:00

you're repeating the keyword case

The following is how you use case

SQL

SELECT CASE WHEN ColumnA = 1 THEN 'A' WHEN ColumnA = 2 THEN 'B' ELSE 'C' END

Although if you're only checking a single value and not multiple expressions the following is also valid.

SQL

SELECT CASE ColumnA WHEN 1 THEN 'A' WHEN 2 THEN 'B' ELSE 'C' END