Data Models into Database Designs When the parent entity is required, a new parent row can always be inserted. False True False True 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 situation requires the use of ID-dependent entities? All of these Archetype/instance relationships only Multivalued attributes only Association relationships only All of these Archetype/instance relationships only Multivalued attributes only Association relationships only ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The identifier of an entity will become the ________ of the new table. foreign key identity key primary key main attribute foreign key identity key primary key main attribute ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Each entity is represented as a(n): table. attribute. tuple. file. table. attribute. tuple. file. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is: used to define data types. used to define null status. All of these a column containing the primary key of another table. used to define data types. used to define null status. All of these a column containing the primary key of another table. ANSWER DOWNLOAD EXAMIANS APP