पदानुक्रम क्वेरी sql सर्वर 2008

पुनरावर्ती क्वेरीज़ पर एक नज़र डालें सामान्य तालिका अभिव्यक्तियों का उपयोग करना

declare @EmpID int = 3;

with C as
(
  select E.EmployeeId,
         E.Name,
         E.ManagerId
  from YourTable as E
  where E.EmployeeId = @EmpID
  union all
  select E.EmployeeId,
         E.Name,
         E.ManagerId
  from YourTable as E
    inner join C  
      on E.EmployeeId = C.ManagerId
)
select C.Name
from C

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