我有一个查询,我希望从两个表(父表和引用表)中提取列,并在引用表上选择每个帖子的类别总数idpostercontentidcats_rel (带外键约束的关系表SELECT cc.id, title, poster, pdate, content, js.pid, js.sno (SELECT pid,cat_id, count(cat_id) as sno FROM cats_rel GROUP BY pid)js
ON j
我需要确切地知道这个查询的不同之处:SELECT * FROM cc_inscription ON cc_paiement.inscription_id= cc_inscription.inscription_id ORDER BY cc_inscription.inscription_idASC;
(4107 records, 19s e
我有以下疑问: l.CALL,l.QSO_DATE,cc.prefixBY CC.Country,dc.Country ORDER BY cc.COUNTRY,dc.COUNTRY.我需要展开它,以便查询select是LOTW表中最早的QSLRDATE。因此,我像这样修改查询:
SELECT (CASE WHEN cc</e
下面是我在MySQL数据库上运行的查询。由于订单表中有更多的no.of记录,查询需要花费更多的时间。请根据查询计划提出优化查询的建议。,cc.work_phone,cc.mobile_phone,cc.home_phone,cc.blacklist_reason,cc.domain,cc.domain_group,cc.my_account_flag,
cc
我有子查询where CompletedDate有空值,我需要在我的输出中加上非空值。and ActionTypeID = 20 AND CrewDate IN (SELECT MAX(CrewDate) FROM Crew ccWHERE c.ObjectID = AND cc.crewTypeID = 20 **AND A.CompletedDate IN (SELECTMAX(CompletedDate)
07-25 |我需要通过以下场景获取数据:
如果我的查询中只存在Eg: SELECT * FROM cubbersclosure cc WHERE CAST('2019-07-23' as date) <= cc.toDate AND CAST('2019-07-26' as date) >= cc.fromDate AND