数据库

mysql 创建索引和删除索引

云博小周宇1 Min Read 
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