Data Models into Database Designs (STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Each entity is represented as a(n): attribute. table. file. tuple. attribute. table. file. tuple. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible sets of minimum cardinalities. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A unique, DBMS-supplied identifier used as the primary key of a relation is called a(n): surrogate key. composite key. primary key. foreign key. surrogate key. composite key. primary key. foreign key. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, a new parent row can always be inserted. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? None of these MUST NOT MUST COVER Both of the above None of these MUST NOT MUST COVER Both of the above ANSWER DOWNLOAD EXAMIANS APP