SQL Server Table-Valued Parameter Join Issues in Stored Procedures

Learn how table valued parameter joins in SQL Server stored procedures can negatively impact query performance.

Table valued parameter

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SQL Server 2008: Table Valued Parameters

In SQL Server 2005 and earlier, it is not possible to pass a table variable as a parameter to a stored procedure. When multiple rows of data to SQL Server need to send multiple rows of data to SQL Server, developers either had to send one row at a time or come up with other workarounds to meet requirements. While a VB.Net developer recently informed me that there is a SQLBulkCopy object available in .Net to send multiple rows of data to SQL Server at once, the data still can not be passed to a stored proc.

Table-valued parameters – SQL Server 2008

In previous versions of SQL Server, it has not been possible to pass a table variable, as a parameter, to a stored procedure. Microsoft introduces table-valued parameters, along with other features, in SQL Server 2008. This article illustrates the function and usage of table-valued parameters.