Exercise: Database Systems

Questions for: Database Systems

Which two files are used during operation of the DBMS?
A:
query language and utilities
B:
data manipulation language and query language
C:
data dictionary and transaction log
D:
data dictionary and query language
Answer: C
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In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent.
A:
Network database
B:
Relational database
C:
Distributed database
D:
Hierarchical database
Answer: D
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Sophisticated report generators can
A:
print row-oriented reports
B:
perform arithmetic operations
C:
selectively retrieve and print portions of a list
D:
All of the above
Answer: D
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To have a file hold a list, it is necessary to
A:
identify the records in the list
B:
identify the name, width and type of the fields of each record.
C:
decide which fields will be used as sort or index keys
D:
All of the above
Answer: D
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The PROJECT command will create new table that has
A:
more fields than the original table
B:
more rows than the original table
C:
both (a) and (b)
D:
all the fields of master table
Answer: E
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