Introduction to Database System Row is synonymous with the term: column. relation. record. field. column. relation. record. field. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. True False True False 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? None of the listed here Bits Data field Characters None of the listed here Bits Data field Characters ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in an indexed file a sequential file None of these a hashed file a tree file an indexed file a sequential file None of these a hashed file a tree file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Attributes Identifiers Entities Relationships Attributes Identifiers Entities Relationships ANSWER DOWNLOAD EXAMIANS APP