Computer Science - Database Systems

Exercise :: Database Systems - Section 3

11. 

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
E. None of the above

Answer: Option C

Explanation:

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12. 

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
E. None of the above

Answer: Option C

Explanation:

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13. 

A _____ Contains fields of data about one entity.

A. Record
B. File
C. Fields
D. Document
E. None of the above

Answer: Option A

Explanation:

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14. 

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
E. None of the above.

Answer: Option D

Explanation:

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15. 

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
E. None of the above

Answer: Option A

Explanation:

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