>
>Table variable is just a local variable declared as table (WOW! what an explanation :-))
>Table variable is kept in memory, temp tables are created in TempDB.
>To declare table variable:
>
>DECLARE @MyTable TABLE (Fld1 Int, Fld2 varchar(50) etc...)
>
>
>Then you could use them as normal table with one condition everywhere you use them in JOIN you must give them alias, something like:
>
>SELECT MyTempTable.*
> FROM @MyTable MyTempTable
> LEFT JOIN OtherTable ON ON MyTempTable.PK = OtherTable.Fk
>
>SELECT OtherTable.*
> FROM OtherTable
> LEFT JOIN @MyTable MyTempTable ON OtherTable.Pk = MyTempTable.FK
>
>
Thank you very much, Borislav. I guess a table variable is faster to execute than a local temporary table.
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