Data Models into Database Designs In 1:N relationships, which entity becomes the parent entity is arbitrary. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following column properties specifies whether or not cells in a column must contain a data value? Data constraints Default value Null status Data type Data constraints Default value Null status Data type 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 interrelation constraint An intrarelation constraint A range constraint A domain constraint An interrelation constraint An intrarelation constraint A range constraint ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The identifier of an entity will become the ________ of the new table. main attribute identity key primary key foreign key main attribute identity key primary key foreign key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? MUST NOT Both of the above MUST COVER None of these MUST NOT Both of the above MUST COVER None of these ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:N relationship, the foreign key is placed in: 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. either the parent table or the child table. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS