A stored procedure is a group of SQL statements that are created and stored in a database management system, allowing multiple users and programs to share and reuse the procedure. A stored procedure can accept input parameters, perform the defined operations, and return multiple output values. Th...
A Stored Procedure is pre-compiled collection of SQL statements and SQL command logic in stored in database. The main purpose of stored procedure is to hide direct SQL queries from the code and improve performance of database operations such as SELECT, UPDATE, and DELETE. Stored Procedures can...
存储过程(Stored Procedure)是一组为了完成特定功能的SQL语句集,经编译后存储在数据库中,用户通过指定存储过程的名字并给定参数(如果该存储过程带有参数)来调用执行它。外部程序可以直接调用数据库里面定义好的存储过程,另外数据库内部的触发器(trigger)、或者其他存储过程也可以调用它。 存储过程的优点 (1)执行速度快:...
create [or replace] PROCEDURE 过程名[(参数名in/out数据类型)] AS begin PLSQL 子程序体; End; 或者(AS可以写成is) create [or replace] PROCEDURE 过程名[(参数名in/out数据类型)]isbegin PLSQL 子程序体; End 过程名; 范例:创建一个输出 helloword 的存储过程 create or replace procedure helloworldis...
SQL EXECUTESalesLT.uspGetCustomerCompany @LastName = N'Cannon', @FirstName = N'Chris'; GO Or: SQL EXEC SalesLT.uspGetCustomerCompany N'Cannon', N'Chris'; GO If a nonqualified user-defined procedure is specified, the Database Engine searches for the procedure in the following order: ...
staged data. This task is also used to retrieve information from a database repository. The Execute SQL Task is also found in the legacy DTS product, but the SSIS version provides a better configuration editor and methods to map stored procedure parameters to read back the result and output ...
SQL EXECUTESalesLT.uspGetCustomerCompany @LastName = N'Cannon', @FirstName = N'Chris'; GO Or: SQL EXEC SalesLT.uspGetCustomerCompany N'Cannon', N'Chris'; GO If a nonqualified user-defined procedure is specified, the Database Engine searches for the procedure in the following order: ...
For example, a stored procedure can call other stored procedures, or a stored procedure can access multiple tables. If all objects in the chain of execution have the same owner, then SQL Server only checks the EXECUTE permission for the caller, not the caller's permissions on other objects....
how to recompile a stored procedure in SQL Server by using Transact-SQL. There are three ways to do this:WITH RECOMPILEoption in the procedure definition or when the procedure is called, the RECOMPILE query hint on individual statements, or by using thesp_recompilesystem stored procedure. ...
数据库小技能:存储过程(stored procedure) 引言 过程(procedure)又叫存储过程(stored procedure),是一个有名称的PL/SQL程序块 。 过程相当于java中的方法, 它注重的是实现某种业务功能 。 函数(function)也相当于java中的方法,它 注重计算并且总是有返回结果 。