Introduction to Database System A relation is considered a: Column. two-dimensional table. one-dimensional table. three-dimensional table. Column. two-dimensional table. one-dimensional table. three-dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is a combination of each unique key both (a) and (b) is made up a several pieces of information uniquely identifies an item in a list None of these is a combination of each unique key both (a) and (b) is made up a several pieces of information uniquely identifies an item in a list None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Each of data files has a _____ that describe the way the data is stored in the file. File structure Records Fields Database File structure Records Fields Database 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 None of these a tree file a hashed file an indexed file a sequential file None of these a tree file a hashed file an indexed file a sequential file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The highest level in the hierarchy of data organization is called data bank data file data record database data bank data file data record database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file contains several records. What does each record contain? Words Database Bytes Fields Words Database Bytes Fields ANSWER DOWNLOAD EXAMIANS APP
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