Data Models into Database Designs A foreign key is: used to define data types. a column containing the primary key of another table. used to define null status. All of these used to define data types. a column containing the primary key of another table. used to define null status. All of these ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs An intersection table is required to represent M:N relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which is not true about surrogate keys? They are fixed. They have meaning to the user. They are numeric. They are short. They are fixed. They have meaning to the user. They are numeric. They are short. 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 For every relationship, how many possible types of actions are there when enforcing minimum cardinalities? Four Six Three Two Four Six Three Two 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS