Introduction to Database System Large collections of files are called None of these records file system fields databases None of these records file system fields databases ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Hierarchical database Relational database None of these Distributed database Network database Hierarchical database Relational database None of these Distributed database Network database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: determinants. candidate keys. foreign keys. composite keys. determinants. candidate keys. foreign keys. composite keys. ANSWER DOWNLOAD EXAMIANS APP
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