Data Models into Database Designs When the parent entity is required and the parent has a surrogate key, update actions can be ignored. True False True False 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 When the parent entity is required, a new parent row can always be inserted. False True False True ANSWER DOWNLOAD EXAMIANS APP
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 Which is not true about surrogate keys? They are short. They have meaning to the user. They are fixed. They are numeric. They are short. They have meaning to the user. They are fixed. They are numeric. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following data constraints would be used to specify that the value of a cell in one column must be less than the value of a cell in another column in the same row of the same table? An intrarelation constraint A range constraint A domain constraint An interrelation constraint An intrarelation constraint A range constraint A domain constraint An interrelation constraint ANSWER DOWNLOAD EXAMIANS APP