摘要: onlineDDL语法: alter table ALTER [COLUMN] col_name {SET DEFAULT literal | DROP DEFAULT} ADD [COLUMN] col_name column_definition [FIRST|AFTER col_na... 阅读全文
posted @ 2015-12-03 07:21 arun_yh 阅读(868) 评论(0) 推荐(0) 编辑