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What is a self join? Explain it with an example?
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Answer Posted / vijayan.t
A table join to itself is known as self join.
select e1.empid,e1.empname,e1.empmgrname where empmgrid =
empid;
here in a single table e1 having three fields(employee id,
employee name,manager id)one employee's manager id is
another one employee's employee id so compare that 2 ids and
we can get the particular employee's manager name...
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