I think table should have atleast one Primary key column as it may be joi

I know that i can create a table without a primary key.But
is there any significance for that table???? while creating
an application.

Question Posted / yadu

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Answer Posted / yadu

I think table should have atleast one Primary key column as
it may be joined with any other tables to retrieve some
conditional inforamtion for the application in RDBMS.

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