sql 查询多表插入
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insert into ArticleCategory_Customer_Edit_Mapping (Customer_Id,ArticleCategory_Id)
//1 少用
SELECT c.Id as CustomerId,a.Id as CategoryId FROM Customer as c CROSS JOIN ArticleCategory as a where c.Id>=781 and c.Id<=937 and (a.Id in (4,8,36) or a.ParentId in(4,8,36))
//2 多数据用
select c.Id as CustomerId,a.Id as CategoryId from Customer c inner join ArticleCategory a on c.Id>=781 and c.Id<=937 and (a.Id in (4,8,36) or a.ParentId in(4,8,36))
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