data base management system (DBMS) set 5 Detailed Explanation And More Example

Question : 1

Sub-schema can be used to

a) Create very different, personalized views of the same data

b) Present information in different formats

c) Hide sensitive information by omitting fields from the subschema’s description

d) All of the above

Question : 2

What does the Special Effect button on the formatting toolbar do?

a) It lets you add animation to your forms and reports to make them more entertaining and amusing

b) It lets you select a transitional effect for how a form opens and closes.

c) It applies a 30d effect to a selected control

d) None of these

Question : 3

The following language used by most of the DBMSs for helping their users to access data

a) High level language

b) Query language

c) SQL

d) 4GL

Question : 4

Facilities offered by databases are

a) The ability to store a large amount of data in a structured format, easy update, sort, query, production of reports

b) Easy editing, spell check, perform calculations, library of mathematical functions, replication

c) The ability to rotate images, copy and paste, fill scale

d) None of above

Question : 5

Pack command is used to

a) Remove records permanently

b) Remove records temporarily

c) Restore records permanently

d) Restore records temporarily

Question : 6

A report form

a) Appears on the computer monitor during data entry

b) Is used during report generation to format data

c) Both (A) and (B)

d) All of above