syntaxsqlMásolás <query_hint>::={ {HASH|ORDER}GROUP| {CONCAT|HASH|MERGE}UNION| {LOOP|MERGE|HASH}JOIN|DISABLE_OPTIMIZED_PLAN_FORCING|EXPANDVIEWS|FAST<integer_value>|FORCEORDER| {FORCE|DISABLE}EXTERNALPUSHDOWN|
由於SQL Server 查詢最佳化工具通常會選擇最好的查詢執行計畫,因此,建議資深開發人員與資料庫管理員只在必要情況使用提示。 適用於: 刪除 插入 選擇 更新 合併 Transact-SQL 語法慣例 語法 syntaxsql 複製 <query_hint> ::= { { HASH | ORDER } GROUP | { CONCAT | HASH | MERGE } UNION | { LOOP |...
Transact-SQL syntax conventions Syntax syntaxsql Copy [ WITH <common_table_expression> [ ,...n ] ] <common_table_expression>::= expression_name [ ( column_name [ ,...n ] ) ] AS ( CTE_query_definition ) Arguments expression_name A valid identifier for the common table expression. ...
-- Syntax for SQL Server and Azure SQL Database and Fabric SQL database [ WITH <common_table_expression> [ ,...n ] ] INSERT { [ TOP ( expression ) [ PERCENT ] ] [ INTO ] { | rowset_function_limited [ WITH ( <Table_Hint_Limited> [ ...n ] ) ] } { [ ( column_list...
syntaxsql 复制 [ WITH <common_table_expression> [ ,...n ] ] <common_table_expression>::= expression_name [ ( column_name [ ,...n ] ) ] AS ( CTE_query_definition ) 参数 expression_name 公用表表达式的有效标识符。 expression_name 须不同于在同一 WITH <common_table_expression> 子句...
由于SQL Server 查询优化器通常为查询选择最佳执行计划,因此我们建议仅使用提示作为经验丰富的开发人员和数据库管理员的最后手段。 适用于: 删除 插入 选择 更新 合并 Transact-SQL 语法约定 语法 syntaxsql复制 <query_hint>::={ {HASH|ORDER}GROUP| {CONCAT|HASH|MERGE}UNION| {LOOP|MERGE|HASH}JOIN|D...
Syntax Arguments Remarks Specify table hints as query hints Show 4 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric SQL database...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) Warehouse in Microsoft Fabric SQL database in Microsoft Fabric Changes existing data in a table or view in SQL Server. For examples, see Examples. Transact-SQL syntax ...
Syntax syntaxsql [WITH<common_table_expression>[ ,...n ] ]<common_table_expression>::=expression_name[ (column_name[ ,...n ] ) ]AS(CTE_query_definition) Arguments expression_name A valid identifier for the common table expression.expression_namemust be different from the name of any othe...
CREATE VIEW Toutes les syntaxes. Aucun CREATE PROCEDURE Toutes les syntaxes. Il n’existe aucune prise en charge d’IntelliSense pour la clause EXTERNAL NAME. Dans la clause AS, IntelliSense prend uniquement en charge les instructions et la syntaxe répertoriées dans cette rubrique. ALTER PROCE...