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 In a relation, the columns are sometimes called "attributes". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Attributes Relationships Entities Primary keys Attributes Relationships Entities Primary keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for protecting data in data communication systems reducing storage space requirements None of these All of these improving data integrity protecting data in data communication systems reducing storage space requirements None of these All of these improving data integrity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A number of related records that are treated as a unit is called file field data batch file field data batch ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail All of the listed here is the recorded history of operations performed on a file is used to make back-up copies can be used to restore lost information All of the listed here is the recorded history of operations performed on a file is used to make back-up copies can be used to restore lost information ANSWER DOWNLOAD EXAMIANS APP
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