Exercise: Database Systems

Questions for: Database Systems

A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?
A:
Specialized file
B:
Log file
C:
Master file
D:
Update file
Answer: C
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Which command is used to remove a table from the database in SQL?
A:
DELETE TABLE
B:
DROP TABLE
C:
ERASE TABLE
D:
UNATTACH TABLE
Answer: B
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Which of the following is not a relational database?
A:
dBASE IV
B:
4th Dimension
C:
FoxPro
D:
Reflex
Answer: D
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A network schema
A:
restricts the structure to a one-to-many relationship
B:
permits many-to-many relation¬ships
C:
stores data in tables
D:
All of the above
Answer: B
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When using a database management system, the first thing that you must do is to
A:
create a database file
B:
activate file editor
C:
load the software into your micro¬computer
D:
keep a floppy disk in readiness
Answer: C
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