string sql="select * from (" +
"select row_number() over(order by b.ID) as row_num, b.ID,b.英文名,b.中文名,count(a.企业ID) 方案数量 from dbo.企业表 b,dbo.产品方案表 a where b.ID in (select b.ID from dbo.企业表 b where b.ID in (select distinct d.企业ID from dbo.供应商类别对应表 d,dbo.供应商类别表 c where d.供应商类别ID=c.ID and c.ID=" +
serviceID.ToString() + " ) ) and b.ID*=a.企业ID group by b.ID,b.英文名,b.中文名) as tempTable" +
" where row_num between " + recordBegin + " and " + recordEnd ;
"select row_number() over(order by b.ID) as row_num, b.ID,b.英文名,b.中文名,count(a.企业ID) 方案数量 from dbo.企业表 b,dbo.产品方案表 a where b.ID in (select b.ID from dbo.企业表 b where b.ID in (select distinct d.企业ID from dbo.供应商类别对应表 d,dbo.供应商类别表 c where d.供应商类别ID=c.ID and c.ID=" +
serviceID.ToString() + " ) ) and b.ID*=a.企业ID group by b.ID,b.英文名,b.中文名) as tempTable" +
" where row_num between " + recordBegin + " and " + recordEnd ;
本文介绍了一个复杂的SQL查询构造案例,该查询用于从多个关联表中筛选并分组数据,涉及子查询、联接操作及窗口函数等高级特性。
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