Database Systems MCQ Questions & Answers

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Each section contains 100 MCQs on Database Systems .

When you have finished entering information into a form

A) the template is written to the data file B) the contents of the form are written to the data file C) the contents of the form can be printed D) All of the above E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The main idea behind computer files is that it is convenient to

A) arrange them B) store information together C) create them D) access them E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be

A) the pin code B) the last name C) a compound key consisting of the first name and the last name D) All of the above E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

In SQL, which command is used to add new rows to a table?

A) ALTER TABLE B) ADD ROW C) INSERT D) APPEND E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

A number of related records that are treated as a unit is called

A) file B) field C) data D) batch E) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

If you want to group the records in the abc database, you could use the Jobcode as the _____.

A) Delete B) Update C) Sort Key D) Index E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The Management Information system (MIS) structure with one main computer system is called a

A) hierarchical MIS structure B) distributed MIS structure C) centralized MIS structure D) decentralized MIS structure E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

If a calculation is embedded in a form

A) the result of the calculations are stored with the form B) the calculations are stored with the form C) the result of the calculations are printed in report D) All of the above E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Data security threats include

A) hardware failure B) privacy invasion C) fraudulent manipulation of data D) All of the above E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

An operation that will increase the length of a list is

A) Insert B) Look-up C) Modify D) All of the above E) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Database Systems MCQ Questions & Answers | Computer Science