Introduction to Database System In a relation, the order of the columns does not matter. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database is called "self-describing" because it contains a description of itself. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Bits None of the listed here Data field Characters Bits None of the listed here Data field Characters ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be None of these the last name the pin code All of these a compound key consisting of the first name and the last name None of these the last name the pin code All of these a compound key consisting of the first name and the last name ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if None of these only a small computer system is available only a few transactions are involved a large computer system is available All of these None of these only a small computer system is available only a few transactions are involved a large computer system is available All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. One-to-one relationship One-to-many relationship None of these Many-to-one relationship Many-to-many relationship One-to-one relationship One-to-many relationship None of these Many-to-one relationship Many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP