sqlserver递归查询

概述with tmp   as(  SELECT * FROM  TBasDepartment WHERE DepartmentID=511 union   all  SELECT a.* FROM  TBasDepartment a,tmp b WHERE a.PDepartmentID   =   b.DepartmentID )  SELECT * FROM tmp with tmp   as(  SELECT * FROM  TBasDepartment WHERE DepartmentID=511 union   all  SELECT a.* FROM  TBasDepartment a,tmp b WHERE a.PDepartmentID   =   b.DepartmentID )  SELECT * FROM tmp 总结

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