Data Models into Database Designs When transforming an entity-relationship model into a relational database design, each entity is represented as a table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Intersection tables are ID-dependent on both their parent tables. 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): foreign key. surrogate key. composite key. primary key. foreign key. surrogate key. composite key. primary key. 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? MUST COVER None of these Both of the above MUST NOT MUST COVER None of these Both of the above MUST NOT ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the child entity is required, we are restricted from creating a new parent row without also creating a corresponding child row at the same time. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values? An interrelation constraint A range constraint A domain constraint An intrarelation constraint An interrelation constraint A range constraint A domain constraint An intrarelation constraint ANSWER DOWNLOAD EXAMIANS APP