SET QUERY_GOVERNOR_COST_LIMIT (Transact-SQL)
SQL Server 2008 R2
Overrides the currently configured query governor cost limit value for the current connection.
Using SET QUERY_GOVERNOR_COST_LIMIT applies to the current connection only and lasts the duration of the current connection. Use the query governor cost limitoption of sp_configure to change the server-wide query governor cost limit value. For more information about configuring this option, see sp_configure and Setting Server Configuration Options.
The setting of SET QUERY_GOVERNOR_COST_LIMIT is set at execute or run time and not at parse time.