Using variable for table name

hello experts,

how can i use a variable for the table name?

declare @table_name varchar(2000)

set @table_name = 'mytable'

select *
  from @table_name

I would have thought it was that easy, but it wants me to declare the table variable.  i read up on table variables, and that talks about storing values...not wanting to do that.

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TimCotteeHead of Software ServicesCommented:
Hello thewayne73,

declare @table_name varchar(2000)

set @table_name = 'mytable'

Exec ('select *
  from ' + @table_name)



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TimCotteeHead of Software ServicesCommented:

You have to use Dynamic sql, in otherwords build your required statement as a string and then use exec() to actually execute the statement. Sql Server does not do direct macro replacement in the way you were thinking.


DECLARE @table_name VARCHAR(50)
SET @table_name = 'mytable'
SET @Query = 'SELECT  * FROM ' + @table_name
EXECUTE sp_executesql @Query

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thewayne73Author Commented:
Thanks...i was creating dynamic sql..but that can end up looking nasty.  using this solution will work for most of what i am dong.

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Microsoft SQL Server 2005

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