Data Models into Database Designs The identifier of an entity will become the ________ of the new table. main attribute foreign key primary key identity key main attribute foreign key primary key identity key ANSWER DOWNLOAD EXAMIANS APP
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 If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value. a surrogate key a foreign key any alternate key the primary key a surrogate key a foreign key any alternate key the primary key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Cascading updates refers to child rows being automatically deleted when a parent row is deleted. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, a new parent row can always be inserted. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The DBMS allows surrogate keys to be changed. True False True False ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS