Data Models into Database Designs Which of the following situation requires the use of ID-dependent entities? Association relationships only Multivalued attributes only All of these Archetype/instance relationships only Association relationships only Multivalued attributes only All of these Archetype/instance relationships only 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): composite key. surrogate key. primary key. foreign key. composite key. surrogate key. primary key. foreign key. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible sets of minimum cardinalities. False True False True 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 Which of the following column properties would be used to specify that cells in a column must contain a monetary value? Data type Data constraints Default value Null status Data type Data constraints Default value Null status ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following column properties specifies whether or not cells in a column must contain a data value? Data constraints Default value Data type Null status Data constraints Default value Data type Null status ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS