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AskSQLTeam
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0 Posts

Posted - 2007-02-28 : 08:04:46

Maryam writes "Hi
Could I set a paramat in front of from cluse in select?

for instance:

Declare @tbl sysname
Declare @Str Nvarchar(400)

Set @tbl = pub.dbo.Athur'
Set @str = 'SELECT * FROM ' + @tbl

Select * from @str

OR

SELECT *
FROM OPENROWSET('SQLOLEDB','192.168.0.1';'sa';'sa', @str)"

snSQL
Master Smack Fu Yak Hacker

1837 Posts

Posted - 2007-02-28 : 10:49:09

You need to use dynamic SQL. Here's how to do it (but note that dynamic SQL is usually not necessary and you should avoid it unless absolutely necessary, there are lots of posts about dynamic SQL on these forums).

Declare @tbl sysname
Declare @Str Nvarchar(400)

Set @tbl = 'pubs.dbo.Authors'
Set @str = 'SELECT * FROM ' + @tbl
EXEC (@str)
--OR
EXEC sp_executesql @str

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