Answer / ramesh

One to one
Parent Entity does have one Corresponding record in Child
Entity

ex : Employee and his CV

One to many

Parent Entity does have many Corresponding records in Child
Entity

ex : Employee and his Projects

many to many

Parent Entity records do have many Corresponding records in
Child Entity vice versa

ex : Employees and Employers
Employees Receive Calls from Many Employers
Employers Receive CVs from Many Employees

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