Introduction to Database System Which type of entity represents an actual occurrence of an associated generalized entity? Instance entity Archetype entity Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for 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 protecting data in data communication systems reducing storage space requirements None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called data field database data record None of these data file data field database data record None of these data file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to group the records in the abc database, you could use the Jobcode as the _____. Sort Key Update Index Delete Sort Key Update Index Delete ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? tree chain network relational tree chain network relational ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file 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 both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
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