摘要: 1.新建一个view create view view_name as select * from table_name where... 2.删除一个view drop view view_name 3.新增一列 ALTER TABLE table_name ADD column_name col 阅读全文
posted @ 2016-11-14 14:50 日月心诚 阅读(448) 评论(0) 推荐(0)