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is that compulsory to have Primarykey-forignkey for joints
(outer inner,equal)
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yes, for using joint the Primarykey-forignkey of the class
are needed to retrive the data without data-inconsistance
| Is This Answer Correct ? | 7 Yes | 2 No |
Primarykye-Foreign key relation ships are not compulsory to
join two table, but it is recommended to have.
| Is This Answer Correct ? | 5 Yes | 1 No |
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