Data Models into Database Designs In a 1:1 relationship, the primary key placement is arbitrary. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible referential integrity actions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Cascading updates refers to child rows being automatically deleted when a parent row is deleted. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible types of actions are there when enforcing minimum cardinalities? Six Four Three Two Six Four Three Two ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is: All of these used to define null status. used to define data types. a column containing the primary key of another table. All of these used to define null status. used to define data types. a column containing the primary key of another table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following columns is(are) are required in a table? A primary key A surrogate key An alternate key A foreign key A primary key A surrogate key An alternate key A foreign key ANSWER DOWNLOAD EXAMIANS APP