怎样在LINQ实现 LEFT JOIN 或者RIGHT JOIN

怎样在LINQ实现 LEFT JOIN 或者RIGHT JOIN linq用lambda表达式 left join 自连接怎么写 left join 和 right jion 怎么表示 LINQ right join/left join/full join这三种外连接主要用在什么条件下? 如何将linq left join 的写法转换成 limq left join lambad的写法var query = from person in people join pet in pets on person equals pet.Owner into gj from subpet in gj.DefaultIfEmpty() select new { person.FirstName,PetName = (subpet == null c# Linq left join 多个条件连接查询如下面的sql 用查询表达式怎么写?SELECT A.*,B.ITEM_NAME AS MoneyType_DESC,C.ITEM_NAME AS PayMentType_DESC,D.ITEM_NAME AS ApplyType_DESC FROM DFZFORMT055 A LEFT JOIN FM_CODE_LIST B ON A.MoneyType = inner join和left join的区别 left join和inner join的区别 left outer join和left join有区别? left join 和 left outer join 有什么区别? left join 和 left outer join 的区别 left join 和 left out join 有什么区别? left join 和 left outer join 的区别 left join 和 left outer join 的区别 删除怎么用left join inner join on,left join on,right join on要详细点的介绍,别给我在网上档来的 SQL中 inner join、 left join 、right join、 outer join之间的区别 inner join,left join,right join,full join 的区别?最好用例子说明!