is that compulsory to have Primarykey-forignkey for joints
(outer inner,equal)
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Answer / guest
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 |
i am user who logined the application..after that another valid user will also logind..so that is it neccessary to create jdbc connection for each and every user...plz explain it with proper answer...plz help me
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