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:...
Creating a stored procedure with multiple out parameters# CREATE PROCEDURE SprocWithOutParams2 ( @InParam VARCHAR(30), @OutParam VARCHAR(30) OUTPUT, @OutParam2 VARCHAR(30) OUTPUT ) AS BEGIN SELECT @OutParam = @InParam +' must come out' SELECT @OutParam2 = @InParam +' must come out'...
Stored procedures with multiple parameters When writing a stored procedure with several parameters, these are separated by commas. Let’s modify our previous stored procedure uspFindProducts to determine not only a max price but also a min price. ALTER PROCEDURE usp_find_products( @min_price AS ...
存储过程(stored procedure)有时候称为sproc,它是真正的脚本-或者更准确的说,他是批处理(batch)-它存储于数据库中,而不是淡出的文件中。无论如何,这个比较并不是很确定。存储过程有输出参数,输入参数已及返回值等。而脚本不会有这些内容。 存储过程基本语法: CREATE PROCEDURE|PROC [<parameter name> <data t...
Multiple Parameterized Procedures A stored procedure can also take multiple parameters. For example, SQL Server -- create stored procedure with cus_id and max_amount as parametersCREATEPROCEDUREorder_details @cus_idINT, @max_amountINTASSELECTCustomers.customer_id, Customers.first_name, Orders.amountFRO...
Stored Procedure Function Subquery System Packages System Tables Views Table Table Joins Trigger User Previliege View XMLStore procedure with three parameters : Procedure Parameters « Stored Procedure Function « Oracle PL / SQLOracle PL / SQL Stored Procedure Function Procedure Parameters ...
Execute the stored procedure above as follows: Example EXECSelectAllCustomers @City ='London'; Stored Procedure With Multiple Parameters Setting up multiple parameters is very easy. Just list each parameter and the data type separated by a comma as shown below. ...
DROPPROC|PROCEDURE[;] 四、常用存储过程 1、sp_help: 查询表的信息 sp_help Person 看一张表有那些信息,有约束,存储过程,自定义函数等等信息。 2、sp_helpdb: 查看数据库信息 sp_helpdb TestDataCenter 当然也可以不带参数,显示当前数据库连接下的所有数据库信息。 这张图几乎包含...
on that issue, the first experiments showed that in case of stored procedures with no parameters,...
executeStoredProcedure getInputParameters InputData InputParameter OutputData OutputParameter registerStoredProcedure setInputDataQuery setInputParameterValue StoredProcedure 资源 下载PDF 使用英语阅读 保存 添加到集合 添加到计划 通过 Facebookx.com 共享LinkedIn电子邮件 ...