Database Systems MCQ Questions & Answers | Computer Science

A. Record

B. File

C. Fields

D. Document

E. None of the above

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.

A. MODIFY ALLOCATES

B. MODIFY TABLE

C. ALTER TABLE

D. REDEFINE TABLE

E. None of the above

A. a secondary access path

B. a physical record key

C. an inverted index

D. All of the above

E. None of the above

A. database manipulation language

B. query language

C. utilities

D. report writer

E. All of the above

A. record

B. title

C. list

D. string

E. None of the above

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

E. None of the above.

A. Columnar totals

B. Subtotals

C. Calculations

D. All of the above

E. None of the above

A. data file

B. data record

C. menu

D. bank

E. None of the above

A. One-to-one relationship

B. One-to-many relationship

C. Many-to-one relationship

D. Many-to-many relationship

E. None of the above