MySQL之select 语句的执行顺序
mysql语句编写顺序
① select 字段名
② from 表1 inner|left|right join 表2 on 表1 与表2 的关系…
③ where ...
④ group by ... having ...
⑤ order by
⑥ limit start, count;
mysql 语句执行顺序

① select 字段名
② from 表1 inner|left|right join 表2 on 表1 与表2 的关系…
③ where ...
④ group by ... having ...
⑤ order by
⑥ limit start, count;

