Data Models into Database Designs Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? MUST COVER None of these Both of the above MUST NOT MUST COVER None of these Both of the above MUST NOT ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Each entity is represented as a(n): file. table. tuple. attribute. file. table. tuple. attribute. 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
Data Models into Database Designs A foreign key is: All of these used to define data types. a column containing the primary key of another table. used to define null status. All of these used to define data types. a column containing the primary key of another table. used to define null status. 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 Data type Default value Null status Data constraints Data type Default value Null status ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following column properties would be used to specify that cells in a column must contain a monetary value that is less than another monetary value in the same row? Default value Data constraints Null status Data type Default value Data constraints Null status Data type ANSWER DOWNLOAD EXAMIANS APP