-- Passing the function value as a variable. DECLARE @CheckDate DATETIME = GETDATE(); EXEC dbo.uspGetWhereUsedProductID 819, @CheckDate; GO 如果此程序變更了 SQL Server 的遠端執行個體,將無法回復這些變更。 遠端程序不會參與交易。 當正確的方法在 .NET Framework 中多載時,若要讓資料庫引擎參考...
DECLARE语句的一般语法如下: DECLARE @variable_name data_type [ = initial_value ]; 其中,@variable_name是变量的名称,data_type是变量的数据类型,initial_value是变量的初始值(可选)。 二、CREATE TABLE语句 在SQL Server中,使用CREATE TABLE语句可以创建一个新的表。CREATE TABLE语句定义了表的结构,包括表名、...
ANSI_WARNINGS isn't honored when you pass parameters in a stored procedure, user-defined function, or when you declare and set variables in a batch statement. For example, if a variable is defined as char(3), and then set to a value larger than three characters, the data is truncated ...
CREATE or ALTER FUNCTION GetAvgSalary(@DeptID int) RETURNS float --returns float type value AS BEGIN DECLARE @avgSal float = 0; --declares float variable -- retrieves average salary and assign it to a variable SELECT @avgSal = AVG(Salary) FROM Employee WHERE DepartmentID = @DeptID RETURN...
DeclareTableVariableBody DeclareTableVariableStatement DeclareVariableElement DeclareVariableStatement DefaultConstraintDefinition DefaultLiteral DelayedDurabilityDatabaseOption DelayedDurabilityOptionKind DeleteMergeAction DeleteSpecification DeleteStatement DeleteUpdateAction DenyStatem...
声明具有表类型参数的例程。有关 SQL Server 例程的详细信息,请参阅 CREATE PROCEDURE (Transact-SQL) 和 CREATE FUNCTION (Transact-SQL)。 声明表类型变量,并引用该表类型。有关如何声明变量的信息,请参阅 DECLARE @local_variable (Transact-SQL)。
-- 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...
DeclareTableVariableBody DeclareTableVariableStatement DeclareVariableElement DeclareVariableStatement DefaultConstraintDefinition DefaultLiteral DelayedDurabilityDatabaseOption DelayedDurabilityOptionKind DeleteMergeAction DeleteSpecification DeleteStatement DeleteUpdateAction DenyStatement DenyStatement80 DeviceInfo DeviceType Di...
-- 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,EXTERNAL...
you need to do this in dynamic SQL (especially since the view itself can't take a variable)....