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. any alternate key a surrogate key a foreign key the primary key any alternate key a surrogate key a foreign key the primary key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs (STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible types of actions are there when enforcing minimum cardinalities? Three Two Four Six Three Two Four Six ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs All primary keys are required. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is: 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. used to define null status. 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. False True False True ANSWER DOWNLOAD EXAMIANS APP