Data Models into Database Designs In a 1:1 relationship, the foreign key is placed in: the child table. either the parent table or the child table. either table without specifying parent and child tables. the parent table. the child table. either the parent table or the child table. either table without specifying parent and child tables. the parent table. 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required and the parent has a surrogate key, update actions can be ignored. False True False True 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 A unique, DBMS-supplied identifier used as the primary key of a relation is called a(n): primary key. surrogate key. composite key. foreign key. primary key. surrogate key. composite key. foreign key. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible sets of minimum cardinalities are there? Two Six Four Three Two Six Four Three ANSWER DOWNLOAD EXAMIANS APP
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