树形数据显示SQL示例代码(在ms sql 2000 DBMS中调试通过)

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    树形数据显示SQL示例代码(在ms sql 2000 DBMS中调试通过)

SELECT DeptCode1 + DeptCode2 + DeptCode3 AS dpcode,
      CASE WHEN deptname2 = '' THEN deptname1 WHEN deptname2 <> '' AND
      deptname3 = '' THEN DeptName1 + '/' + DeptName2 WHEN deptname2 <> '' AND
      deptname3 <> '' THEN DeptName1 + '/' + DeptName2 + '/' + DeptName3 END AS dpname
FROM dbo.Department

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