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 When the parent entity is required, a new child row can always be inserted. True False True False 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 Null status Data type Default value Data constraints Null status Data type Default value ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible sets of minimum cardinalities. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which is not true about surrogate keys? They are fixed. They are numeric. They have meaning to the user. They are short. They are fixed. They are numeric. They have meaning to the user. They are short. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, a new parent row can always be inserted. False True False True ANSWER DOWNLOAD EXAMIANS APP