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存储过程变量循环的相关内容

⑩⑤【DB】详解MySQL存储过程：变量、游标、存储函数、循环，判断语句、参数传递..

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1. 介绍存储过程：什么是存储过程？存储过程是事先经过编译并存储在数据库中的一段SQL语句的集合，调用存储过程可以简化应用开发人员的很多工作，减少数据在数据库和应用服务器之间的传输，对于提高数据处理的效率是有好处的。存储过程思想上很简单，就是数据库SQL语言层面的代码封装与重用。存储过程的特点？代码...

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4.循环结构1.whilewhile循环是有条件的循环控制语句，满足条件后，再执行循环体中的SQL语句，具体语法为：#先判定条件，如果条件为true，则执行逻辑，否则，不执行逻辑 while 条件 do SQL逻辑 end while; 例子n数的总分：mysql...

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15天学习MySQL计划-存储过程/变量/判断/循环/游标/函数/触发器（进阶篇）-第九天存储过程1.介绍存储过程是事先经过编译并存储是数据库中的一段SQL语句的集合，调用存储过程可以简化应用开发人员的很多工作，减少数据在数据库和应用服务器之间的传输，对于提高数据处理的效率是有好处的。存储过程思...

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对象存储 OSS

对象存储（Object Storage Service，简称 OSS）是海量、安全、低成本、高可靠的云存储服务，具有与平台无关 RESTful API，能从互联网任何位置访问。OSS 提供标准、低频、归档等类型选择，全面优化存储成本。

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