请问 SQL （mysql） 如何查询相同 ID下某一列全部相同的 sql 语句怎么写？-灵析社区
万码F5GTP6P0select * from (select wextid,result from t_test group by wextid,result) a group by wextid having count(1)=1 and result = 'error'
select * from (select wextid,result from t_test group by wextid,result) a group by wextid having count(1)=1 and result = 'error'