Which of the following is true for the relational model-05076
Which of the following is true for the relational model?
This multiple choice question (MCQ) is related to the book/course
vu cs403 Database Management Systems.
It can also be found in
vu cs403 Mid Term - Quiz No.1.
Which of the following is true for the relational model?
Degree of a relation is the number of rows in a relation.
Null value is a blank or zero value given to an attribute value when its value is inapplicable or its value is unknown.
Complex key is a key consisting of more than one attribute.
Constraint is a rule that restricts the values in a database.
