Data Models into Database Designs Which of the following columns is(are) are required in a table? A surrogate key An alternate key A primary key A foreign key A surrogate key An alternate key A primary key A foreign key ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following column properties would be used to specify that cells in a column must contain a monetary value? Data constraints Default value Null status Data type Data constraints Default value Null status Data type ANSWER DOWNLOAD EXAMIANS APP
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. a surrogate key any alternate key a foreign key the primary key a surrogate key any alternate key a foreign key the primary key 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 All primary keys are required. False True False True ANSWER DOWNLOAD EXAMIANS APP