Exercise: Database Systems

Questions for: Database Systems

Versatile report generators can provide
A:
Columnar totals
B:
Subtotals
C:
Calculations
D:
All of the above
Answer: D
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The activity of a file
A:
is a low percentages of number of records added or deleted from a file
B:
if high, reduces processing efficiency for sequential and nonsequential files
C:
is a measure of the percentage of existing records updated during a run
D:
refers to how closely the files fits into the allocated
Answer: A
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Data items grouped together for storage purposes are called a
A:
record
B:
title
C:
list
D:
string
Answer: A
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Which of the following is a type of DBMS software?
A:
database manipulation language
B:
query language
C:
utilities
D:
report writer
Answer: A
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Embedded pointer provide
A:
a secondary access path
B:
a physical record key
C:
an inverted index
D:
All of the above
Answer: A
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