select a.* from T_GB_DD b left join T_GB c on b.bi_code = c.bi_code left join BZIT a on b.bi_code = a.bi_code order by a.bi_code
select a.bi_code slh from T_GB_DD b left join T_GB c on b.bi_code = c.bi_code left join BZIT a on b.bi_code = a.bi_code order by a.bi_code
下面一句正确,上面一句不正确。请教下是什么原因
select a.bi_code slh from T_GB_DD b left join T_GB c on b.bi_code = c.bi_code left join BZIT a on b.bi_code = a.bi_code order by a.bi_code
下面一句正确,上面一句不正确。请教下是什么原因
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