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Retrieving Data from Stored Procedures using SELECT Statements
Developers often require methods to select data returned by stored procedures. A robust technique involves utilizing a table variable to capture the stored procedure's output. The results are then inserted into this table variable, enabling its use like any standard table.
Here's an example:
<code class="language-sql">DECLARE @T TABLE ([column definitions here]) INSERT @T EXEC storedProcname params SELECT * FROM @T WHERE ...</code>
This method unlocks the full potential of SQL for filtering, sorting, and manipulating data from the stored procedure. It's especially advantageous when employing SQL features like SELECT TOP X
, ROW_NUMBER()
, or additional WHERE
clauses for data pagination. Using a table variable eliminates the need to pass these conditions as parameters to the stored procedure, resulting in cleaner, more efficient code.
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