The SELECT statement retrieves rows from the database and enables the selection of rows or columns from tables in the SQL Server Database Engine.
SQL Server 和 Azure SQL 数据库的语法:syntaxsql 复制 <SELECT statement> ::= [ WITH { [ XMLNAMESPACES , ] [ <common_table_expression> [ , ...n ] ] } ] <query_expression> [ ORDER BY <order_by_expression> ] [ <FOR Clause> ] [ OPTION ( <query_hint> [ , ...n ] ) ] <...
SQL Server 和 Azure SQL 数据库的语法: syntaxsql <SELECT statement>::=[WITH{ [XMLNAMESPACES, ] [<common_table_expression>[ , ...n ] ] } ]<query_expression>[ORDERBY<order_by_expression>] [<FOR Clause>] [OPTION(<query_hint>[ , ...n ] ) ]<query_expression>::={<query_specificatio...
MDX Syntax Conventions MDX Statement Reference MDX Statement Reference MDX Data Manipulation - CALL MDX Data Manipulation - CLEAR CALCULATIONS MDX Data Manipulation - DRILLTHROUGH MDX Data Manipulation - SELECT MDX Data Manipulation - UPDATE CUBE ...
SQL Server 和 Azure SQL 数据库的语法: syntaxsql <SELECT statement>::=[WITH{ [XMLNAMESPACES, ] [<common_table_expression>[ , ...n ] ] } ]<query_expression>[ORDERBY<order_by_expression>] [<FOR Clause>] [OPTION(<query_hint>[ , ...n ] ) ]<query_expression>::={<query_specificatio...
BEGIN TRANSACTION; -- This SELECT statement will acquire an IS lock on the table. SELECT col1 FROM TestTable WITH (HOLDLOCK); 会话2:事务启动,并且在此事务下运行的 SELECT 语句将获取共享锁 (S) 并将其保留在表中。 将获取所有分区的 S 锁,这将产生多个表锁,每个分区一个。 例如,在具...
14.2.9.3 UNION Syntax 14.2.10 Subquery Syntax s A subquery is aSELECTstatement within another statement. 14.2.10.1 The Subquery as Scalar Operand note:For the subquery just shown, ift1were empty, the result would beNULLeven thoughs2isNOT NULL. ...
BEGIN TRANSACTION; -- This SELECT statement will acquire an IS lock on the table. SELECT col1 FROM TestTable WITH (HOLDLOCK); 会话2:事务启动,并且在此事务下运行的 SELECT 语句将获取共享锁 (S) 并将其保留在表中。 将获取所有分区的 S 锁,这将产生多个表锁,每个分区一个。 例如,在具有 16 个...
SELECT * FROM OPENROWSET( BULK 'C:\DATA\inv-2017-01-19.csv', SINGLE_CLOB ) AS DATA; 从SQL Server 2017 (14.x) 开始,data_file 可位于 Azure Blob 存储中。 有关示例,请参阅Azure Blob 存储中批量访问数据的示例。 重要 Azure SQL 数据库仅支持从 Azure blob 存储读取内容。 BULK 错误处理选项...
Syntax Arguments Remarks Autoexists Εμφάνιση 2 ακόμα Retrieves data from a specified cube. Syntax Αντιγραφή [ WITH <SELECT WITH clause> [ , <SELECT WITH clause>...n ] ] SELECT [ * | ( <SELECT query axis clause> [ , <SELECT query axis clause>,......