A synonym is two or more attributes that have different names but the same meaning. False True TRUE ANSWER : ? YOUR ANSWER : ?
If no multivalued attributes exist and no partial dependencies exist in a relation, then the relation is in what normal form? Second normal form First normal form Fourth normal form Third normal form TRUE ANSWER : ? YOUR ANSWER : ?
The relational model consists of: operations using non-SQL languages. unorganized data. data redundancy. data in the form of tables. TRUE ANSWER : ? YOUR ANSWER : ?
A foreign key is which of the following? Any attribute An attribute that serves as the primary key of another relation An attribute that serves no purpose The same thing as a primary key TRUE ANSWER : ? YOUR ANSWER : ?
Relations are: two-dimensional tables. five-dimensional tables. four-dimensional tables. three-dimensional tables. TRUE ANSWER : ? YOUR ANSWER : ?
A primary key is which of the following? An attribute that uniquely identifies each column A derived attribute Any attribute An attribute that uniquely identifies each row TRUE ANSWER : ? YOUR ANSWER : ?
Normalization is a formal process for deciding which attributes should be grouped together in a relation. False True TRUE ANSWER : ? YOUR ANSWER : ?
A foreign key may be null and still adhere to the referential integrity constraint. False True TRUE ANSWER : ? YOUR ANSWER : ?