Question

Define The "integrity Rules"?

Answer 1

INTEGRITY RÛLÉ$⬇⬇

Entity integrity is an integrity rule which states that every table must have a primary key and that the columns chosen to be the primary key should be unique and not null......♥

Answer 2

entity integrity is an integrity rule which states that every table must have primary key and that the columns or column choosen to be primary key should be unique and not null ...