select A.Id, B.Name, B1.Name as Name1, B2.Name as Name2, B3.Name as Name3
from A, B, B B1, B B2, B B3
where A.department = B.departmentid
and A.department1 = B1.departmentid
and A.department2 = B2.departmentid
and A.department3 = B3.departmentid;
from A, B, B B1, B B2, B B3
where A.department = B.departmentid
and A.department1 = B1.departmentid
and A.department2 = B2.departmentid
and A.department3 = B3.departmentid;
解决方案 »
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