Data Models into Database Designs In a 1:N relationship, the foreign key is placed in: either the parent table or the child table. either table without specifying parent and child tables. the child table. the parent table. either the parent table or the child table. either table without specifying parent and child tables. the child table. the parent table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When transforming an entity-relationship model into a relational database design, each entity is represented as a table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following columns is(are) are required in a table? A primary key An alternate key A surrogate key A foreign key A primary key An alternate key A surrogate key A foreign key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible referential integrity actions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which is not true about surrogate keys? They are numeric. They are fixed. They have meaning to the user. They are short. They are numeric. They are fixed. They have meaning to the user. They are short. 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 range constraint An intrarelation constraint An interrelation constraint A domain constraint A range constraint An intrarelation constraint An interrelation constraint A domain constraint ANSWER DOWNLOAD EXAMIANS APP