Introduction to Database System The primary key is selected from the: composite keys. determinants. candidate keys. foreign keys. composite keys. determinants. candidate keys. foreign 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 Determinant Relation Key Tuple Determinant Relation Key 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): normal form. referential integrity constraint. transitive dependency. insertion anomaly. normal form. referential integrity constraint. transitive dependency. insertion anomaly. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is considered a: two-dimensional table. one-dimensional table. Column. three-dimensional table. two-dimensional table. one-dimensional table. Column. three-dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: determinants. candidate keys. composite keys. foreign keys. determinants. candidate keys. composite keys. foreign keys. ANSWER DOWNLOAD EXAMIANS APP
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