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 An ideal primary key is short, numeric and seldom changing. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which is not true about surrogate keys? They are numeric. They have meaning to the user. They are fixed. They are short. They are numeric. They have meaning to the user. They are fixed. They are short. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible referential integrity actions. 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. True False True False 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