文章分类 -  Mysql

四大数据库之Mysql
摘要:一、视图 --格式:CREATE VIEW 视图名称 AS SQL语句 CREATE VIEW view_name AS SELET field,field,.. FROM table_name WHERE field > 10 --格式:DROP VIEW 视图名称 DROP VIEW view_ 阅读全文
posted @ 2019-02-27 09:28 我在地球凑人数的日子 阅读(98) 评论(0) 推荐(0)