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What is difference b/w composit key n primary key and
forigion key?
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Answer Posted / reem
A primary key is a column which uniquely identifies the
records in a table.
A foreign key is a column (the child collumn) in a table
which has a corresponding relationship and a dependency on
another collumn (the parent collumn) that is usually in a
different table.
comosit key is more than one attribute can used as aprimary
key
| Is This Answer Correct ? | 1 Yes | 0 No |
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