SQL中的按列分组
我有一个名为EmpTBL的Sql表,其中包含以下数据:SQL中的按列分组,sql,sql-server,Sql,Sql Server,我有一个名为EmpTBL的Sql表,其中包含以下数据: ID Emp_ID Dept Role_ID Status 82 E00004 D1 3 1 82 E00004 D2 3 1 83 E00034 E2 1 1 84 E00043 G1 2 1 84 E00043 G2 2 1 84 E00043 G3
ID Emp_ID Dept Role_ID Status
82 E00004 D1 3 1
82 E00004 D2 3 1
83 E00034 E2 1 1
84 E00043 G1 2 1
84 E00043 G2 2 1
84 E00043 G3 2 1
76 E01053 A1 1 1
我需要编写一个查询,将Emp_ID和Dept显示为
试试这个:
SELECT ID, Emp_ID, Dept = STUFF((SELECT ', ' + Dept
FROM EmpTBL AS e2
WHERE e2.Emp_ID = e1.Emp_ID
ORDER BY Dept
FOR XML PATH('')), 1, 1, ''), Role_ID, Status
FROM EmpTBL AS e1
GROUP BY Emp_ID
ORDER BY Emp_ID
试试这个:
SELECT ID, Emp_ID, Dept = STUFF((SELECT ', ' + Dept
FROM EmpTBL AS e2
WHERE e2.Emp_ID = e1.Emp_ID
ORDER BY Dept
FOR XML PATH('')), 1, 1, ''), Role_ID, Status
FROM EmpTBL AS e1
GROUP BY Emp_ID
ORDER BY Emp_ID
不在SQL Server中不在SQL Server中选择ID,Emp_ID,Dept=STUFFSELECT',并将Dept从EmployeeNew作为e2,其中e2.Emp_ID=e1.Emp_ID按部门排序用于XML路径,1,1,来自EmployeeNew作为e1组按Emp_ID,ID,Role_ID按Emp_StuffId排序,Emp_ID,Dept=Select','+Dept FROM EmployeeNew AS e2,其中e2.Emp_ID=e1.Emp_ID按部门排序用于XML路径,1,1,Role_ID FROM EmployeeNew AS e1组按Emp_ID,ID,Role_ID按Emp_ID排序
CREATE TABLE #EmpTbl(ID INT, Emp_ID VARCHAR(100), Dept VARCHAR(100),Role_ID INT, Status INT)
INSERT INTO #EmpTbl(ID , Emp_ID , Dept ,Role_ID , Status )
SELECT 82,'E00004','D1',3,1 UNION ALL
SELECT 82,'E00004','D2',3,1 UNION ALL
SELECT 83,'E00034','E2',1,1 UNION ALL
SELECT 84,'E00043','G1',2,1 UNION ALL
SELECT 84,'E00043','G2',2,1 UNION ALL
SELECT 84,'E00043','G3',2,1 UNION ALL
SELECT 76,'E01053','A1',1,1
SELECT DISTINCT T1.ID,T1.Emp_ID,A.Dept,T1.Role_ID,T1.Status
FROM #EmpTbl T1
JOIN
(
SELECT Emp_ID ,STUFF((SELECT ',' + Dept FROM #EmpTbl T3 WHERE T3.Emp_ID = T2.Emp_ID
FOR XML PATH('')),1,1,'') Dept
FROM #EmpTbl T2
GROUP BY Emp_ID
) A ON A.Emp_ID = T1.Emp_ID'