mysql 创建索引和删除索引 

SHOW INDEX FROM tm_show.tm_order;

SHOW CREATE TABLE tm_show.tm_order;

CREATE UNIQUE INDEX qianjinyan4ceshi ON tm_show.tm_order (orderNUmber);

DROP INDEX qianjinyan4ceshi ON tm_show.tm_order

　　

posted @ 2020-03-13 00:11  巴黎爱工作  阅读(159)  评论(0)    收藏  举报