$2\mathrm{.}1\mathrm{.}1$: Relational model.

Jump to level $1$

Classify each of the following as a relational rule or a business rule.

All rows in a particular column must have known values

Values may not be repeated in a particular column.

All tables must have a primary key with no repeated values.

zyBooks catalogJump to level $1$Classify each of the following as a relational ruleAll rows in a particular column must have known values.