Introduction to Database System The primary key is selected from the: candidate keys. foreign keys. determinants. composite keys. candidate keys. foreign keys. determinants. composite keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Tuple Relation Key Determinant Tuple Relation Key Determinant ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): insertion anomaly. referential integrity constraint. transitive dependency. normal form. insertion anomaly. referential integrity constraint. transitive dependency. normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is considered a: two-dimensional table. one-dimensional table. three-dimensional table. Column. two-dimensional table. one-dimensional table. three-dimensional table. Column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: foreign keys. candidate keys. determinants. composite keys. foreign keys. candidate keys. determinants. composite keys. ANSWER DOWNLOAD EXAMIANS APP