max key length is 1000 bytes

 

1 ALTER TABLE ad_keyword_brand 
2 ADD CONSTRAINT w1 UNIQUE (keyword,adasin,brand,page_position,country,ad_kind,ad_tag);

 

posted @ 2017-01-09 17:00  papering  阅读(179)  评论(0)  编辑  收藏  举报