Logical Database Design A synonym is two or more attributes that have different names but the same meaning. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design The entity integrity rule states that: no primary key can be composite. no primary key may be unique. no primary key may be equal to a value in a foreign key. no primary key attribute may be null. no primary key can be composite. no primary key may be unique. no primary key may be equal to a value in a foreign key. no primary key attribute may be null. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design If a relation is in third normal form, it does not need to be in second normal form. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design If no multivalued attributes exist and no partial dependencies exist in a relation, then the relation is in what normal form? Fourth normal form Third normal form First normal form Second normal form Fourth normal form Third normal form First normal form Second normal form ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design The relational model consists of: data redundancy. unorganized data. data in the form of tables. operations using non-SQL languages. data redundancy. unorganized data. data in the form of tables. operations using non-SQL languages. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design If no multivalued attributes exist in a relation, then the relation is in what normal form? Third normal form Second normal form First normal form Fourth normal form Third normal form Second normal form First normal form Fourth normal form ANSWER DOWNLOAD EXAMIANS APP