mysql交叉表查询,SQLServer建立交叉表查询

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/* 使用方法 直接执行 传入参数(series_guid 查询条件)返回一个数据集 如 查询该系列Cylindrical 下所有产品 dbo P_GetSeriesProductDetail Cylindrical 查询系列Cylindrical 下含有BK 的产品 dbo P_GetSeriesProductDetail Cylindrical product_name like %BK % */ CREATE PROCEDURE P_GetSeriesProductDetail(@series_guid varchar( ) @condition varchar( )) AS DECLARE @ParamNo nvarchar( ) DECLARE @SQL nvarchar( ) Set @SQL= DECLARE P_cursor CURSOR local fast_forward FOR SELECT param_no FROM V_product_params where series_guid=@series_guid OPEN P_cursor

FETCH next FROM P_cursor INTO @ParamNo WHILE (@@fetch_status = ) BEGIN Set @SQL = @SQL + MAX(CASE param_no WHEN + @ParamNo + THEN param_value ELSE END) AS F + @ParamNo + char( ) FETCH next FROM P_cursor INTO @ParamNo END

CLOSE P_cursor DEALLOCATE P_cursor Set @SQL= SELECT type_guid series_guid product_no product_name + @SQL + FROM V_product_params WHERE series_guid= + @series_guid + if (LTrim(@condition)<> ) Set @SQL= @SQL + and + @condition Set @SQL= @SQL + GROUP BY type_guid series_guid product_no product_name lishixinzhi/Article/program/MySQL/201311/29566

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