Tag: databases

Indicate whether this statement is true or false. The domain of a column containing the month number of the date of birth of employees differs from the domain of a column with the day number of that date.

Indicate whether this statement is true or false. Restricting the domain of a numeric column to non-negative values can be implemented with a check constraint.

Indicate whether this statement is true or false. A trigger can be used instead of a foreign key to implement referential integrity.