1、表列改名
alter table marketuser.S_CRM_SP_ACTIVITY_201703_bak rename column arg to user_id;
2、表改名
alter table marketuser.S_CRM_SP_ACTIVITY_201703 rename to S_CRM_SP_ACTIVITY_201703_bak ;
1、表列改名
alter table marketuser.S_CRM_SP_ACTIVITY_201703_bak rename column arg to user_id;
2、表改名
alter table marketuser.S_CRM_SP_ACTIVITY_201703 rename to S_CRM_SP_ACTIVITY_201703_bak ;