Exercise: Database Systems

Questions for: Database Systems

The _____ command is used to allocates an extent for the table in SQL
A:
MODIFY ALLOCATES
B:
MODIFY TABLE
C:
ALTER TABLE
D:
REDEFINE TABLE
Answer: A
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A condition that led to the development of databases was
A:
a demand for more data to support information needs
B:
an increase in the amount of data handled by organizations
C:
the proliferation of data files
D:
All of the above
Answer: D
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A _____ Contains fields of data about one entity.
A:
Record
B:
File
C:
Fields
D:
Document
Answer: A
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The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types.
A:
Database
B:
Table
C:
Flat file
D:
Data structure
Answer: C
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A multiple-form file management system
A:
lets you define different forms for different operations
B:
lets you create a look-up form with an associated read-only password to prevent access by unauthorized users
C:
both (a) and (b)
D:
allow you to entry data in all the forms
Answer: C
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