Introduction to Database System Updating a database means modifying or adding record occurrences all of the listed here reorganizing the database revising the file structure modifying or adding record occurrences all of the listed here reorganizing the database revising the file structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key None of these is a combination of each unique key uniquely identifies an item in a list is made up a several pieces of information both (a) and (b) None of these is a combination of each unique key uniquely identifies an item in a list is made up a several pieces of information both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Row is synonymous with the term: record. column. field. relation. record. column. field. relation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains All of these the data types of all fields in all files the names of all fields in all files the widths of all fields in all files None of these All of these the data types of all fields in all files the names of all fields in all files the widths of all fields in all files None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file both (b) and (c) contains only a list of keys and record numbers None of these has a number assigned to each record is sorted in ascending order both (b) and (c) contains only a list of keys and record numbers None of these has a number assigned to each record is sorted in ascending order ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System For some relations, changing the data can have undesirable consequences called: modification anomalies. referential integrity constraints. transitive dependencies. normal forms. modification anomalies. referential integrity constraints. transitive dependencies. normal forms. ANSWER DOWNLOAD EXAMIANS APP
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