Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation establishes an index for a file None of the listed here sorts file using two keys sorts a file using a single key establishes an index for a file None of the listed here sorts file using two keys sorts a file using a single key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? Strong entity Weak entity ID-independent entity ID-dependent entity Strong entity Weak entity ID-independent entity ID-dependent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Applications are programs that interact directly with the database. False True False True ANSWER DOWNLOAD EXAMIANS APP
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