MySql

查询插入

insert into bt_keywords(keyword)  select distinct policy_item_name keyword from bt_policy_item

分库分表

https://rdc.hundsun.com/portal/article/945.html

window路径

C:\Users

mysql官网

http://mysql.p2hp.com/index.html

https://www.mysql.com/

mysql下载

https://dev.mysql.com/downloads/mysql/