1. 在做多表查询,或者查询的时候产生新的表的时候会出现这个错误:Every derived table must have its own alias(每一个派生出来的表都必须有一个自己的别名)。
select * from (select cust_num,count(cust_num) as countNum fro…
MonoBehaviour
学于事件函数的执行顺序-unity官方文档
概述 MonoBehaviour is the base class from which every Unity script derives. When you use C#, you must explicitly derive from MonoBehaviour. MonoBehaviour是所有脚本的基类,所有C#都需要显性的继承MonoBehavi…