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变量赋值语句和结果的影响

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Release： 2016-06-07 17:43:00
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变量赋值语句有三种 SET 和SELECT 以及变量声明时赋初始值 1)在声明变量的同时，可以给变量赋予一个初始值 (

变量赋值语句有三种 SET 和SELECT 以及变量声明时赋初始值

1)在声明变量的同时，香港服务器，可以给变量赋予一个初始值

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