Data Models into Database Designs A foreign key is: 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. used to define data types. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In 1:N relationships, which entity becomes the parent entity is arbitrary. 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 Intersection tables are ID-dependent on both their parent tables. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The identifier of an entity will become the ________ of the new table. main attribute identity key foreign key primary key main attribute identity key foreign key primary key 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