Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity 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 A file that is organized in uniform format is formally referred to as a _____ or a database file. Record Database None of these Structured data file Document Record Database None of these Structured data file Document ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database has data and relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "fields". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? All of the listed here DEFINE TABLE ALTER TABLE MODIFY TABLE All of the listed here DEFINE TABLE ALTER TABLE MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP
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