摘要:
alter table pic_all add ( `expand1` varchar(255), `expand2` varchar(255), `expand3` varchar(255) ); 阅读全文
摘要:
UPDATE province_yunnan_salary s1 JOIN province_guangdong_salary s2 ON s1.user_name= s2.user_name SET s1.salary= s2.salary WHERE s1.user_name = '周一一' 阅读全文