Introduction to Database System A database design may be based on existing data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is a combination of each unique key is made up a several pieces of information uniquely identifies an item in a list None of these both (a) and (b) is a combination of each unique key is made up a several pieces of information uniquely identifies an item in a list None of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file renewing upgrading Updating restructuring renewing upgrading Updating restructuring ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types. Flat file Data structure Database Table None of these Flat file Data structure Database Table None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? Users DBMS Database applications COBOL programs Users DBMS Database applications COBOL programs ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
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