After reading this article you will understand the basics of using the WHILE statement to write a loop within a stored procedure. All the examples for this lesson are based on Microsoft SQL Server Management Studio and the sample databases AdventureWorks and WideWorldImporters. Start learning SQL t...
我们常用的操作数据库语言SQL语句在执行的时候需要要先编译,然后执行,而存储过程(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。 一个存储过程是一个可编程的函数,它在数据库中创建并保存。它可以有SQL语句...
here is my sql query stored procedure given below. i want some change in my query that if the lapucurrentbal is not 0.00 than it will fetch the last record so for that i have to used while loop here that if it contains 0.00 than it go for top1 and if in top 1 record lapucurrent...
在python语言中，和if类似的循环语句还有一个while语句，准确的说if属于判断语句，对多重情况进行判断后...
Set of Transact-SQL statements to execute here */ InvalidUser: /* Another set of Transact-SQL statements to execute here */ In the case of exiting a stored procedure if a particular condition is met, instead of using the BREAK statement, the RETURN statement should be used. The RETURN sta...
存储过程是数据库中完成特定功能的SQL集,一次编译后永久有效,有点类似于Java里面的方法或C语言中的函数,我们可以在方法体中完成特定的功能,后续只要调用即可。 2.为什么要使用存储过程?...3.1.创建无参数存储过程的语法及使用 无参数传递的存储过程语法如下 CREATE PROCEDURE 存储过程的名字() BEGIN 需要处理的业务...
流控制语句，如WHILE可以在存储程序中使用。也BEGIN在WHILE以及PRINT在sql server/sybase中使用，而不是在...
-- CONTINUE used in a Stored Procedure for Execution Continuation CREATE PROCEDURE [dbo].[usp_GetOrderDetails] @OrderID INT AS IF EXISTS (SELECT 'X' FROM [dbo].[Order] WHERE [OrderID] = @OrderID) CONTINUE ELSE RETURN SELECT * FROM [dbo].[OrderDetail] ...
Oracle Database Gateway for SQL Server - Version 11.2.0.3 and laterInformation in this document applies to any platform.SymptomsWhile trying to execute a Microsoft Sql*Server stored procedure from Oracle using the Database Gateway for SQL*Server (DG4MSQL) the following error is returned -EXEC "...
The innodb_directories variable, which defines directories to scan at startup for tablespace files, supports moving or restoring tablespace files to a new location while the server is offline. During startup, discovered tablespace files are used instead those referenced in the data dictionary, and ...