Sql语句执行顺序

7)    SELECT
8)    DISTINCT <select_list>
1)    FROM <left_table>
3)    <join_type> JOIN <right_table>
2)    ON <join_condition>
4)    WHERE <where_condition>
5)    GROUP BY <group_by_list>
6)    HAVING <having_condition>
9)    ORDER BY <order_by_condition>
10)   LIMIT <limit_number>