Data Models into Database Designs The identifier of an entity will become the ________ of the new table. identity key foreign key main attribute primary key identity key foreign key main attribute primary key 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? A domain constraint An intrarelation constraint A range constraint An interrelation constraint A domain constraint An intrarelation constraint A range constraint An interrelation constraint ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A unique, DBMS-supplied identifier used as the primary key of a relation is called a(n): surrogate key. composite key. foreign key. primary key. surrogate key. composite key. foreign key. primary key. 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 For every relationship, how many possible types of actions are there when enforcing minimum cardinalities? Six Two Three Four Six Two Three Four ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS