Data Models into Database Designs The identifier of an entity will become the ________ of the new table. identity key main attribute foreign key primary key identity key main attribute foreign key 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? An intrarelation constraint A domain constraint An interrelation constraint A range constraint An intrarelation constraint A domain constraint An interrelation constraint A range 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. primary key. foreign key. surrogate key. composite key. primary key. foreign key. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which is not true about surrogate keys? They are fixed. They are numeric. They are short. They have meaning to the user. They are fixed. They are numeric. They are short. They have meaning to the user. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible types of actions are there when enforcing minimum cardinalities? Two Three Six Four Two Three Six Four ANSWER DOWNLOAD EXAMIANS APP
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