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Unanswered: how can i Self-referencing (foreign key) in postgresql?
Hi dear members
i have aproblem please help me.........please
My problem is self-referencing .That mean,
I have table Emp like
Empid ename deptno mgr_empid sal
These are the attributes of my table.
The mgr_empid attribute should accept only the values fo empid attribute.
that mean i have to use empid as reference to mgr_empid.
How can i do it on the same table .
please help me......