Data Models into Database Designs When the parent entity is required, cascading updates and cascading deletions should be allowed or the associated actions on the parent should be prohibited. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following columns is(are) are required in a table? A surrogate key An alternate key A foreign key A primary key A surrogate key An alternate key A foreign key A primary key 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 (STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key. True False True False 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. 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. composite key. surrogate key. primary key. foreign key. composite key. surrogate key. primary key. ANSWER DOWNLOAD EXAMIANS APP
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