标签:mysql
ALTER [ONLINE | OFFLINE] [IGNORE] TABLE tbl_name....
以上命令可以在MySQL命令行中键入help alter或help alter table获得
很显然从语法上看,要么 ADD [COLUMN] col_name column_definition [FIRST | AFTER col_name ]
要么,ADD [COLUMN] (col_name column_definition,...)
加多个列的时候,无法 [FIRST | AFTER col_name ]
标签:mysql
原文地址:http://blog.csdn.net/qq_20480611/article/details/45598673