mysql-MySQL：OUT类型参数的作用
- WBOYOriginal
- 2016-06-06 09:37:28891browse
mysql存储
OUT类型参数在存储过程中都会被初始化为null，那这样的参数还有什么用呢？直接在存储过程中声明变量再返回不就行了吗？求解
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