CREATE VARIABLE 语句可定义会话全局变量。 调用 此语句可嵌入应用程序中或者以交互方式发出。 它是一个可执行语句,仅当 DYNAMICRULES 运行行为对于程序包有效时才能动态编译 (SQLSTATE 42509)。 授权 语句授权标识所拥有的特权必须至少包括下列其中一项权限: ...
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...
CREATE VARIABLE 陳述式定義階段作業廣域變數。 呼叫 此陳述式可以內嵌在應用程式中,或以互動方式發出。 它是可執行的陳述式,只有在 DYNAMICRULES 執行行為對套件有效時才能動態準備 (SQLSTATE 42509)。 授權 陳述式的授權 ID 所持有的專用權必須至少包含下列其中一項權限: ...
SQL 複製 -- Extend the function to support variable number of sides and dice. -- Use defaults to support a variable number of arguments > DROP FUNCTION roll_dice; > CREATE FUNCTION roll_dice(num_dice INT DEFAULT 1 COMMENT 'number of dice to roll (Default: 1)', num_sid...
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 @return_variable TABLE <table_type_definition> [ WITH <functio...
syntaxsql 複製 CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS @return_variable TABLE <table_type_definition> [ WITH <functio...
-- Passing the function value as a variable. DECLARE @CheckDate DATETIME = GETDATE(); EXEC dbo.uspGetWhereUsedProductID 819, @CheckDate; GO 如果该过程对 SQL Server 的远程实例进行更改,将无法回滚这些更改。 远程过程不参与事务。 为了使数据库引擎在 .NET Framework 中被重载时引用正确的方法,EXTERN...
创建一个函数。如果创建函数时参数或返回值带有精度,不进行精度检测。创建函数时,函数定义中对表对象的操作建议都显式指定模式,否则可能会导致函数执行异常。在创建函数时,函数内部通过SET语句设置current_schema和search_path无效。执行完函数search_path和current_sch
When you specifyNOCOPY, assignments made to a package variable may show immediately in this parameter (or assignments made to this parameter may show immediately in a package variable) if the package variable is passed as the actual assignment corresponding to this parameter. ...
You have leapt to an assumption and may be solving a problem that does not exist. You defined comentario as varchar(1). First, why does it make any sense to define a single character column as variable length? Your script attempts to insert the value 'COCINA' into this column. Fix th...