鍍金池/ 問答/數(shù)據(jù)庫/ 一表統(tǒng)計(jì)然后其中字段作條件查詢另個(gè)表統(tǒng)計(jì)

一表統(tǒng)計(jì)然后其中字段作條件查詢另個(gè)表統(tǒng)計(jì)

SELECT c.xitongshijian,sum(c.zongyeji) FROM count_report c group by c.xitongshijian;
根據(jù)count_report的時(shí)間分組統(tǒng)計(jì)總業(yè)績,然后根據(jù)count_report的時(shí)間再查詢統(tǒng)計(jì)另一張表的總業(yè)績。

寫完了

select t1.xitongshijian,t1.zyj,t2.xf from (SELECT xitongshijian,sum(zongyeji) as zyj FROM count_report group by xitongshijian )
t1 left join (select xitongshijian,sum(xiaofei) as xf from shangwutong group by xitongshijian) t2 on t1.xitongshijian=t2.xitongshijian

回答
編輯回答
何蘇葉

不是很明白,不過大致猜想你是想要 select field from tableName where field in (select field from tableName group by field )

2018年5月28日 00:18