MySQL面试题

标签：from   java   family   mysq   explain   顺序   distinct   lis   程序员面试   

SQL查询语句执行顺序?

(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) UNION

(10) ORDER BY <order_by_condition>

(11) LIMIT <limit_number>

Explain包含哪些列?

Explain的Type列有哪几种值?

参考:

面试2年经验的Java程序员面试题部分带答案 --

http://blog.sina.com.cn/s/blog_14e19d5f50102x6b3.html

MySQL面试题

标签：from   java   family   mysq   explain   顺序   distinct   lis   程序员面试   

原文地址：https://www.cnblogs.com/liaowenhui/p/12321421.html