Database Systems - Section 5 Multiple Questions and Answers.




31.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

32.A file produced by a spreadsheet
A. is generally stored on disk in an ASCII text format
B. can be used as it by the DBMS
C. can be used for graphic
D. All of the above

33.A form defines
A. where data is placed on the screen
B. the width of each field
C. both (a) and (b)
D. All of the above

34.Which of the following is true of a network structure?
A. It is a physical representation of the data
B. It allows a many-to-many relationship
C. It is conceptually simple
D. It will be the dominant data base of the future

35.In SQL, GRANT command is used to
A. allow user to access databases
B. allow user to create databases
C. grant system privileges, roles, and object privileges to uses and roles
D. choose auditing for specific SQL commands

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