Which two files are used during operation of the DBMS?

DBMS-এর পূর্ণরূপ কী? (What is the full form of DBMS?)

A

Database Managed System

B

Database Management System

C

Database Manager System

D

Database Managed Structure

Which command is used to list out all the hidden files along with the other files?

A

ls -l

B

ls -x

C

ls -F

D

ls -a

E

None of the above

Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories?

A

rm *

B

rm -r *

C

rm all

D

rm *.*

E

None of the above

On-line transaction processing is used when ______________. I) it is required to answer random queries. II) it is required to ensure correct processing. III) all files are available on-line. IV) all files are stored using hard disk.

A

i, ii

B

i, iii

C

ii, iii, iv

D

i, jj ,iii

The DBMS acts as an interface between what two components of an enterprise-class database system?

A

Database application and the database

B

Data and the database

C

The user and the database application

D

Database application and SQL

Filename extensions help identify certain files. What filename extension identifies executable files?

A

INF

B

PRO

C

EXE

D

SYS

E

None of the above

Batch files contain a group of MS-DOS commands that are run in successive order. What filename extension identifies batch files?

A

COM

B

BAT

C

EXE

D

SYS

E

None of the above

Filename extensions help identify certain files. What filename extension identifies command files?

A

COM

B

BAT

C

EXE

D

SYS

E

None of the above

Which of the following is not an example of DBMS?

A

MySQL

B

Microsoft Acess

C

IBM DB2

D

Google

Which of the following products was the first to implement true relational algebra in a PC DBMS?

A

IDMS

B

Oracle

C

dBase-II

D

R:base

Which two files are used during operation of the DBMS?

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