Data Models into Database Designs Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? MUST NOT Both of the above None of these MUST COVER MUST NOT Both of the above None of these MUST COVER ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When transforming an entity-relationship model into a relational database design, each entity is represented as a table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A primary key should be defined as: None of these Either of the above can be used. NOT NULL. NULL. None of these Either of the above can be used. NOT NULL. NULL. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs All primary keys are required. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible sets of minimum cardinalities are there? Four Three Two Six Four Three Two Six ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible sets of minimum cardinalities. False True False True ANSWER DOWNLOAD EXAMIANS APP