what is candidate key
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A candidate key is a column, or set of columns, in a table that can uniquely identify any database record without referring to any other data.
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it is a column or set of columns used detect the data in the database .
the can be more than one candidate key.
but a unique candidate key is called Primary key.....
I hope it helped u. :-)
the can be more than one candidate key.
but a unique candidate key is called Primary key.....
I hope it helped u. :-)
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