1、procedure_name:存储过程的名称,在前面加#为局部临时存储过程,加##为全局临时存储过程。 2、; number:是可选的整数,用来对同名的过程分组,以便用一条 DROP PROCEDURE 语句即可将同组的过程一起除去。例如,名为 orders 的应用程序使用的过程可以命名为 orderproc;1、orderproc;2 等。DROP PROCEDURE orderproc ...
(@i+64)) SET @i+=1 END GO 168 SQL Server 2008 T-SQL資料庫設計 --建立在 t 資料表上;宣告並隨後開啟資料指標 CREATE PROCEDURE dbo.spCursor @Cursor CURSOR VARYING OUTPUT AS SET @Cursor = CURSOR FORWARD_ONLY STATIC FOR SELECT * FROM t; OPEN @Cursor; 範例程式碼 4-22:建立透過參數傳出...
函数功能使用指定的替换值替换NULL 语法ISNULL(check_expression,replacement_value) (7)ISNUMERIC 函数功能确定表达式是否为一个有效的数字类型 语法ISNUMERIC(expression) (8)NULLIF 函数功能如果两个指定的表达式相等,则返回空值 语法NULLIF(expression,expression) (9)@@ROWCOUNT 函数功能返回受上一语句影响的行数 语...
The return status value can be included in subsequent Transact-SQL statements in the batch or procedure that executed the current procedure, but it must be entered in the following form:EXECUTE @return_status = <procedure_name>. Examples
可以将架构看作是各种对象的容器,这些对象可以是表(table)、视图(view)、存储过程(stored procedure)等等。 此外,架构也是一个命名空间,用作对象名称的前缀。例如,架设在架构Sales中有一个Orders表,架构限定的对象名称是Sales.Orders。如果在引用对象时省略架构名称,SQL Server将采用一定的办法来分析出架构名称是什么...
The following example shows the SQL Server syntax that runs a stored procedure or function. [ { EXEC | EXECUTE } ] { [ @return_status = ] { module_name [ ;number ] | @module_name_var } [ [ @parameter = ] { value | @variable [ OUTPUT ] | [ DEFAULT ]...
⼆、实验环境 SQL Server2008 三、实验学时 2学时 四、实验原理 1.存储过程的创建 创建存储过程的语句是CREATE PROCEDURE或CREATE PROC，两者同义。语法格式：CREATE { PROC | PROCEDURE } [schema_name.] procedure_name [ ; number ]/*定义过程名*/ [ { @parameter [ type_schema_name. ] data_type } ...
When @@NESTLEVEL is executed dynamically by using sp_executesql the value returned is 2 + the current nesting level.ExamplesA. Using @@NESTLEVEL in a procedureThe following example creates two procedures: one that calls the other, and one that displays the @@NESTLEVEL setting of each.SQL Ko...
The most popular T-SQL statement is the stored procedure, which is a compiled and stored T-SQL code. Similar to views,stored proceduresgenerate an execution plan when called the first time. The difference is stored procedures can select data and execute any T-SQL code within any parameters. ...
USEAdventureWorks;GO--Drop the procedureifit already exists.IFOBJECT_ID(N'HumanResources.usp_DeleteCandidate',N'P')ISNOTNULLDROPPROCEDUREHumanResources.usp_DeleteCandidate;GO--Create the procedure.CREATEPROCEDUREHumanResources.usp_DeleteCandidate