Which of the following is not a logical data-base structure?
A. tree
B. relational
C. network
D. chain
E. All of the above
Answer: Option D
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Related Questions on Database Systems
A. update files
B. print files on paper
C. data entry
D. All of the above
E. None of the above
Which of the following is not a logical data-base structure?
A. tree
B. relational
C. network
D. chain
E. All of the above
Which of the following is a database administrator's function?
A. database design
B. backing up the database
C. performance monitoring
D. user coordination
E. All of the above
Primitive operations common to all record management systems include
A. Print
B. Sort
C. Look-up
D. All of the above
E. None of the above
State whether TRUE/FALSE....
When a computer program reads a record from database, it actually retrieves a group /block/page of records at a time. This approach minimizes the actual disk access.