syntaxsql -- Simple CASE expression:CASEinput_expressionWHENwhen_expressionTHENresult_expression[ ...n ] [ELSEelse_result_expression]END-- Searched CASE expression:CASEWHENBoolean_expressionTHENresult_expression[ ...n ] [ELSEelse_result_expression]END ...
CASE can be used in any statement or clause that allows a valid expression. For example, you can use CASE in statements such as SELECT, UPDATE, DELETE and SET, and in clauses such as select_list, IN, WHERE, ORDER BY, and HAVING. Transact-SQL Syntax Conventions Syntax Copy Simple CASE...
Syntax for Transact-SQL multi-statement table-valued functions. syntaxsql 复制 CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS...
Transact-SQL 语句支持的语法例外 INSERT所有语法,execute_statement 子句除外。没有 UPDATE所有语法。没有 删除所有语法。没有 DECLARE @local_variable所有语法。没有 SET @local_variable所有语法。没有 EXECUTE执行用户定义的存储过程、系统存储过程、用户定义函数和系统函数。没有 ...
SQL Server 概述 在SQL Server 中,此语句创建新数据库和使用的文件及其文件组。 它还可用于创建数据库快照,或附加数据库文件以从其他数据库的分离文件创建数据库。 语法 创建数据库。 有关语法约定的详细信息,请参阅Transact-SQL 语法约定。 syntaxsql
Azure SQL Managed Instance SQL database in Microsoft Fabric Compares a scalar value with a single-column set of values. SOME and ANY are equivalent. Transact-SQL syntax conventions Syntax syntaxsql scalar_expression{ = |<>| != | > | >= | !> |< | <= | !< } { SOME | ANY } ( ...
I am trying to delete top 1* item after using CTE. I have the bottom T-SQL statement which works fine with select statement on the second part. with cte as ( select *, email_cnt = count(*) over (partition by "User"), …
Access Code - DELETE Statement with DISTINCTROW and T-SQL Access Now() vs. T-SQL GETDATE() ? ADD and SUBTRACT depending on the condition is CASE STATEMENT ADD COLUMN to variable table? Add prefix in data column Add Time in SQL HH:MM:SS to another HH:MM:SS Adding a column to a lar...
syntaxsql 复制 -- Syntax for SQL Server and Azure SQL Database [ WITH <common_table_expression> [...n] ] UPDATE [ TOP ( expression ) [ PERCENT ] ] { { table_alias | | rowset_function_limited [ WITH ( <Table_Hint_Limited> [ ...n ] ) ] } | @table_variable } SET { co...
Syntax ISO Syntax DECLARE cursor_name[ INSENSITIVE ][ SCROLL ]CURSORFOR select_statement[ FOR { READ ONLY | UPDATE [ OF column_name [ ,...n ]] } ][;]Transact-SQL Extended Syntax DECLARE cursor_nameCURSOR[ LOCAL | GLOBAL ][ FORWARD_ONLY | SCROLL ][ STATIC | KEYSET | DYNAMIC | FAST...