CBSE BOARD X, asked by Anonymous, 11 months ago

what do you mean by a primary key in database

Answers

Answered by DangerBoi

3

ANSWER :

A primary key is a special relational database table column (or combination of columns) designated to uniquely identify all table records

Answered by kanikavi23

0

Explanation:

the column or set of columns included in the definition of a table

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