table:employee
EID ENAME MID(manager ids)
101 rama null
102 sita 101
103 siva 101
104 ganesh 103
. . .
. . .
for 103 ID the manager ID is 101(RAMA) and for 104 manager
is SIVA
if i give employee id (EID) you have to tell the manager for
that EID write query?
eample:if i give 102 .The query output should be manager for
102 ID that it should print RAMA as output
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Answer Posted / suraj
-- create table #Employees (EID int, EName varchar(20), MID
int)
-- insert #Employees values(101,'Rama',NULL)
-- insert #Employees values(102,'Sita',101)
-- insert #Employees values(103,'Shiva',101)
-- insert #Employees values(104,'Ganesh',103)
--for 103 ID the manager ID is 101(RAMA) and for 104
manager is SIVA
--Write a script which displays Shiva's Manager's name.
select a.EID, a.EName, a.MID, b.EName
from #Employees a
inner join #Employees b on a.mid=b.eid and a.EName='Shiva'
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