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轻松接触“MySQL”数据库的存储过程_MySQL

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Release: 2016-06-01 13:56:53
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  一.创建存储过程

  1.基本语法:

  create procedure sp_name()

  begin

  .........

  end

  2.参数传递

  二.调用存储过程

  1.基本语法:call sp_name()

  注意:存储过程名称后面必须加括号,哪怕该存储过程没有参数传递

  三.删除存储过程

  1.基本语法:

  drop procedure sp_name//

  2.注意事项

  (1)不能在一个存储过程中删除另一个存储过程,只能调用另一个存储过程

  四.区块,条件,循环

  1.区块定义,常用

  begin

  ......

  end;

  也可以给区块起别名,如:

  lable:begin

  ...........

  end lable;

  可以用leave lable;跳出区块,执行区块以后的代码

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