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Computer Science - Database Systems

Exercise : Database Systems - Section 3
16.
Embedded pointer provide
a secondary access path
a physical record key
an inverted index
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Which of the following is a type of DBMS software?
database manipulation language
query language
utilities
report writer
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Data items grouped together for storage purposes are called a
record
title
list
string
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The activity of a file
is a low percentages of number of records added or deleted from a file
if high, reduces processing efficiency for sequential and nonsequential files
is a measure of the percentage of existing records updated during a run
refers to how closely the files fits into the allocated
None of the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Versatile report generators can provide
Columnar totals
Subtotals
Calculations
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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