Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. True False True False 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? monitoring performance creating the physical and logical designs creating and maintaining the data dictionary None of these removing flagged records for deletion monitoring performance creating the physical and logical designs creating and maintaining the data dictionary None of these removing flagged records for deletion ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called DB/DC dictionary ACCESS None of these any of the above TOTAL DB/DC dictionary ACCESS None of these any of the above TOTAL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier typically uses more than one attribute. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for All of these improving data integrity None of these protecting data in data communication systems reducing storage space requirements All of these improving data integrity None of these protecting data in data communication systems reducing storage space requirements ANSWER DOWNLOAD EXAMIANS APP
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