select * from op_breakrule where hphm=‘苏A2GD78‘
show index from op_car_owner;
alter table op_car_owner add index index_chassisid(chassisid) ;
drop index index_1 on op_car_owner ;
建索引sql
原文：http://www.cnblogs.com/shuixinwen/p/4065584.html
