MySQL5.5 delete表连接语法改变
在MySQL5.5里，规范了sql语句表连接的写法。deleteusera,user2bfromuserajoinuser2bona.id=b.id;这样写在MySQL5.1里，可以正常执行，..
在MySQL5.5里，规范了sql语句表连接的写法。
这样写在MySQL5.1里，香港服务器，可以正常执行，但在MySQL5.5里就报错，下面是一个测试：
可以看到，执行时报错。那么规范后的写法是：
参考手册：
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