SQL Server2005查询计划指南 （2）

sp_create_plan_guide 

sp_control_plan_guide

sp_create_plan_guide [ @name = ] N'plan_guide_name' 
     , [ @stmt = ] N'statement_text' 
     , [ @type = ] N'{ OBJECT | SQL | TEMPLATE }' 
     , [ @module_or_batch = ] 
       { 
                    N'[ schema_name. ] object_name' 
          | N'batch_text' 
          | NULL 
        } 
     , [ @params = ] { N'@parameter_name data_type 
[ ,...n ]' | NULL } 
     , [ @hints = ] { N'OPTION ( query_hint [ ,...n ] )'
 | NULL }

sp_create_plan_guide 

@name = N'PlanGuideTest', 

@stmt = N'SELECT COUNT(*) AS Total 

FROM Sales.SalesOrderHeader h, Sales.SalesOrderDetail d 

WHERE h.SalesOrderID = d.SalesOrderID and h.OrderDate 

BETWEEN ''1/1/2000'' AND ''1/1/2005'' ', 

@type = N'SQL', 

@module_or_batch = NULL, 

@params = NULL, 

@hints = N'OPTION (MERGE JOIN)' 

GO