Q991
The two basic types of record-access methods are:
A.
sequential and random
AnswerB.
sequential and indexed
C.
direct and immediate
D.
on-line and realtime
E.
None of the above
Answer: Option A
Solution
Answer: Option A
Solution:
1) The two basic types of record-access methods are sequential and random.2) The terms random access and sequential access are often used to describe data files.
3) Comparing random versus sequential operations is one way of assessing application efficiency in terms of disk use.