Home Database Mysql Tutorial MySQL 5.0基础的基本内容的介绍

MySQL 5.0基础的基本内容的介绍

Jun 07, 2016 pm 04:09 PM
mysql main introduce content Basic Base

下面的内容主要是对MySQL 5.0基础的基本内容的介绍.同时本文也列举了MySQL 5.0中的实际应用代码,望你在浏览之后会对MySQL 5.0基础的相关实际内容有所了解,以下就是文章的具体内容描述。 CREATEPROCEDURE 建立一个存放在MySQL5.0数据库的表格的存储过程。 C

下面的内容主要是对MySQL 5.0基础的基本内容的介绍.同时本文也列举了MySQL 5.0中的实际应用代码,望你在浏览之后会对MySQL 5.0基础的相关实际内容有所了解,以下就是文章的具体内容描述。

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<ol class="dp-xml"><li class="alt"><span><span>CREATE PROCEDURE </span></span></li></ol>

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建立一个存放在MySQL5.0数据库的表格的存储过程。

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<ol class="dp-xml"><li class="alt"><span><span>CREATE FUNCTION </span></span></li></ol>

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建立一个用户自定义的函数,尤其是返回数据的存储过程。

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<ol class="dp-xml"><li class="alt"><span><span>ALTER PROCEDURE </span></span></li></ol>

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更改用CREATE PROCEDURE 建立的预先指定的存储过程,其不会影响相关存储过程或存储功能。.

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<ol class="dp-xml"><li class="alt"><span><span>ALTER FUNCTION </span></span></li></ol>

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更改用CREATE FUNCTION 建立的预先指定的存储过程,其不会影响相关存储过程或存储功能。.

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<ol class="dp-xml"><li class="alt"><span><span>DROP PROCEDURE </span></span></li></ol>

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从MySQL 5.0的表格中删除一个或多个存储过程。

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<ol class="dp-xml"><li class="alt"><span><span>DROP FUNCTION </span></span></li></ol>

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从MySQL的表格中删除一个或多个存储函数。

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<ol class="dp-xml"><li class="alt"><span><span>SHOW CREATE PROCEDURE </span></span></li></ol>

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返回使用CREATE PROCEDURE 建立的预先指定的存储过程的文本。这一声明是SQL:2003规范的一个MySQL扩展。

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<ol class="dp-xml"><li class="alt"><span><span>SHOW CREATE FUNCTION </span></span></li></ol>

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返回使用CREATE FUNCTION建立的预先指定的存储过程的文本。这一声明是SQL:2003规范的一个MySQL 5.0 扩展。

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<ol class="dp-xml"><li class="alt"><span><span>SHOW PROCEDURE STATUS </span></span></li></ol>

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返回一个预先指定的存储过程的特性,包括名称、类型、建立者、建立日期、以及更改日期。这一声明是SQL:2003规范的一个MySQL扩展。

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<ol class="dp-xml"><li class="alt"><span><span>SHOW FUNCTION STATUS </span></span></li></ol>

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返回一个预先指定的存储函数的特性,包括名称、类型、建立者、建立日期、以及更改日期。这一声明是SQL:2003规范的一个MySQL扩展。

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<ol class="dp-xml"><li class="alt"><span><span>CALL </span></span></li></ol>

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调用一个使用CREATE PROCEDURE建立的预先指定的存储过程。

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<ol class="dp-xml"><li class="alt"><span><span>BEGIN ... END </span></span></li></ol>

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包含一组执行的多声明。

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<ol class="dp-xml"><li class="alt"><span><span>DECLARE </span></span></li></ol>

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用于指定当地变量、环境、处理器,以及指针。

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<ol class="dp-xml"><li class="alt"><span><span>SET </span></span></li></ol>

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用于更改当地和全局服务器变量的值。

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<ol class="dp-xml"><li class="alt"><span><span>SELECT ... INTO </span></span></li></ol>

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用于存储显示变量的纵列。

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<ol class="dp-xml"><li class="alt"><span><span>OPEN </span></span></li></ol>

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用于打开一个指针。

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<ol class="dp-xml"><li class="alt"><span><span>FETCH </span></span></li></ol>

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使用特定指针来获得下一列。

CLOSE

用于关闭和打开指针。

IF

一个An if-then-else-end if 声明。

CASE ... WHEN

一个 case声明的结构

LOOP

一个简单的循环结构;可以使用LEAVE 语句来退出。

LEAVE

用于退出IF,CASE,LOOP,REPEAT以及WHILE 语句。

ITERATE

用于重新开始循环。

REPEAT

在结束时测试的循环。

WHILE

在开始时测试的循环。

RETURNS

返回一个存储过程的值。

MySQL5.0支持存储过程语句。


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