sql 语句中定义的变量不能和 sql关键字冲突时间:2023-03-08 23:45:35 sql 语句中定义的变量不能和 sql关键字冲突 from bs_email_account account LEFT JOIN bs_group_info gp ON account.group_id = gp.id from bs_email_account account LEFT JOIN bs_group_info group ON account.group_id = group.id