Question # 1

Which of the following is a correct way of selecting all the columns from a table called PERSONS?

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SELECT FROM * Persons

SELECT * FROM Persons

SELECT * WHERE Persons

SELECT WHERE * Persons

A weak entity type

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must have total participation in an identifying relationship

does not have a key attribute(s)

both (a) and (b)

none of the above

Which of the following gives all the fields from employee table named as EMP?

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SELECT * from EMP;

SELECT emp* from EMP'

SELECT emp_id where EMP;

SELECT * where EMP;

In SQL queries, while creating tables or relations in database, key columns may be specified by

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Data type

Null

Not Null

Owner

Browser based forms are developed in the following tools EXCEPT

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HTML

Scripting language

Front Page

Web-based Forms

Consider two sets A and B. A contains 3 elements and B contains 4. How many elements do their Cartesian product contains?

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12

9

16

7

Database management systems, operating systems, applications and utilities are all examples of ____.

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hardware

software

computer infrastructure

input and output

Which of the following are the general activities, which are performed during the development of application programs?

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Data input programs

Editing

Display

All of given

Description on particular collection of data using data model

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Schema

Relation

Data base

None of the above

_______ is a control that users click to perform an action, set or toggle a state, or set an option.

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Button

Text box

Input form

Report

Identify the operation which is NOT one of the parts of the five basic set operations in relational algebra?

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Join

Union

Cartesian Product

Set Difference

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CS-403 Final Term Exams Preparation Virtual University MCQs With Answers

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