Data Models into Database Designs (STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key. False True False True 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 numeric. They are fixed. They are short. They have meaning to the user. They are numeric. They are fixed. 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): foreign key. primary key. composite key. surrogate key. foreign key. primary key. composite key. surrogate key. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:1 relationship, the foreign key is placed in: the child table. either table without specifying parent and child tables. either the parent table or the child table. the parent table. the child table. either table without specifying parent and child tables. either the parent table or the child table. the parent table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The terms alternate key and candidate key mean the same thing. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values? A range constraint An intrarelation constraint A domain constraint An interrelation constraint A range constraint An intrarelation constraint A domain constraint An interrelation constraint ANSWER DOWNLOAD EXAMIANS APP