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C list join

C#中也有String.Join 方法,可以对数据进行操作,MSDN中定义如下: 在指定 String 数组的每个元素之间串联指定的分隔符 String,从而产生单个串联的字符串。 命名空间: System程序集: mscorlib(在 mscorlib.dll 中) 语法 public static stri...

from A in DFZFORMT055 join B in FM_CODE_LIST on A.MoneyType = B.ITEM_VALUE AND B.FORM_KIND = 'DFZ.FORM.T055' AND B.FIELD_NAME= 'MoneyType' join C in JOIN FM_CODE_LIST on A.PayMentType = C.ITEM_VALUE AND C.FORM_KIND = 'DFZ.FORM....

select t1.*, t2.*, t3.* from t1 inner join t2 on t1.联接字段 = t2.联接字段 inner join t3 on t3.联接字段 = t1或t2的联接字段 where 其他查询条件(如果有的写,没有就去掉这部分)

select A.*, B.*, C.* from TableA as A left outer join TableB as B on A.Column1 = B.Column left outer join TableC as C on A.Column2 = C.Column

from A in DFZFORMT055 join B in FM_CODE_LIST on A.MoneyType = B.ITEM_VALUE AND B.FORM_KIND = 'DFZ.FORM.T055' AND B.FIELD_NAME= 'MoneyType'join C in JOIN FM_CODE_LIST on A.PayMentType = C.ITEM_VALUE AND C.FORM_KIND = 'DFZ.FORM.T...

您好: SELECT a.*,b.要的字段,c.要的字段 FROM a LEFT JOIN b ON a.b表关联字段=b.关联字段 LFFT JOIN c ON a.c表关联字段=c.关联字段请自行参考。。。

--楼主这个写法是没有问题 join可以这样写 只是把下面两个and改为 on就行了 join和on要匹配 --帮你改一下 有什么问题可以随时问我 希望采纳 SELECT A.BMH AS BMH, A.BMM AS NAME, sum(B.money) AS PRICE2010, sum(C.money) AS PRICE2011, sum(D....

所有信息,无论你使用什么关联都可以,join/ left join/right join/full join 从你写的表结构看,表D表示个A表、B表、C表的关系(除非表D还有其他三张...

内联只能连一个 FROM DISPATCHLIST DL, DISPATCHLISTS DLS INNER JOIN CUSTOMER C ON C.cCusCode=DL.cCusCode LEFT OUTER JOIN SalePayVouch SPV ON ...

多表连接查询 假设三个表的分别为a, b, c 以a为主表,b和c为辅表 Sql代码: select a.a as a, b.b as b, c.c as c from a left join b on a.id=b.id left join c on b.id=c.id where… 批注1:左连接按先后顺序,先是表a和表b连接,再与表c连接。...

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