Introduction to Database System Entities of a given type are grouped into a(n): entity class. attribute. ER database. entity class. attribute. ER database. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: domain/key normal form. second normal form. third normal form. fourth normal form. domain/key normal form. second normal form. third normal form. fourth normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity? Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The only reason for the existence of relations is to store instances of functional dependencies. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships. True False True False 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 MODIFY TABLE ALTER TABLE DEFINE TABLE All of the listed here MODIFY TABLE ALTER TABLE DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
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