Applies to: SQL Server (starting with SQL Server 2012 (11.x)). Prevents the query from using a nonclustered memory optimized columnstore index. If the query contains the query hint to avoid the use of the columnstore index, and an index hint to use a columnstore index, the hints are in...
Applies to: SQL Server (starting with SQL Server 2008 (10.0.x)) and Azure SQL Database. Overrides the max degree of parallelism configuration option of sp_configure. Also overrides the Resource Governor for the query specifying ...
Applies to: SQL Server (starting with SQL Server 2008 (10.0.x)) and Azure SQL Database. Overrides themax degree of parallelismconfiguration option ofsp_configure. Also overrides the Resource Governor for the query specifying this option. TheMAXDOPquery hint can exceed the value configured withsp...
SELECT Statement (SQL Server Compact Edition) UPDATE (SQL Server Compact Edition) Remarks Only one argument can be used when using a Query Hint with SQL Server 2005 Compact Edition: FORCE ORDER Specifies that the join order indicated by the query syntax is preserved during query optimization....
Hint (Transact-SQL)DELETE, INSERT, SELECT, UPDATE Clausola OPTION (Transact-SQL)DELETE, SELECT, UPDATE Clausola OUTPUT (Transact-SQL)DELETE, INSERT, MERGE, UPDATE Condizione di ricerca (Transact-SQL)DELETE, MERGE, SELECT, UPDATE Costruttore Table Value (Transact-SQL)FROM, INSERT, MERGE ...
query_hint_scope tinyint 根据sys.query_store_replicasreplica_group_id列确定应用提示的范围。 注解 sys.sp_query_store_set_hints创建查询存储提示,sys.sp_query_store_clear_hints将其删除。 权限 SQL Server 2019 (15.x) 和以前的版本需要 VIEW SERVER STATE 对服务器具有...
SQL 複製 EXEC sys.sp_query_store_set_hints @query_id= 39, @query_hints = N'OPTION(USE HINT(''QUERY_OPTIMIZER_COMPATIBILITY_LEVEL_160''))'; 如需完整的指南,請參閱查詢存放區提示範例。升級後,請考慮較舊的相容性層級另一種查詢存放區提示可派上用場的情況,是 SQL Server 執行個體在移轉或...
Using SQL Server Management Studio built-in Query Store reports. Using Azure portal “Query Performance Insight” for Azure SQL Database. Executesp_query_store_set_hintswith thequery_idand query hint string you wish to apply to the query. ...
本文示例使用FASH nuber_rows改变SQL执行计划 准备测试数据: USE TEMPDB GO --建立基本数据:--///CREATETABLESTUDENT (SNOVARCHAR(3)NOTNULL, SNAMEVARCHAR(4)NOTNULL, SSEXVARCHAR(2)NOTNULL, SBIRTHDAYDATETIME, CLASSVARCHAR(5))GOCREATETABLECOURSE (CNOVARCHAR(5)NOTNULL, ...
For information about how the SQL Server query optimizer enforces the FORCE ORDER hint when a query contains a view, seeView Resolution. MAXDOPnumber Overrides themax degree of parallelismconfiguration option ofsp_configurefor the query specifying this option. The MAXDOP query hint can exceed the ...