digital assistant data base management online exam

Data base management online exam

Which of the following fields in a student file can be used as a primary key?

a. class

b. Social Security Number

c. GPA

d. Major

Correct! Wrong!

Which of the following is not an advantage of the database approach

a. Elimination of data redundancy

b. Ability of associate deleted data

c. increased security

d. all of the above

Correct! Wrong!

Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time?

a. report writer

b. query language

c. data manipulation language

d. transaction log

Correct! Wrong!

In the DBMS approach, application programs perform the

a. storage function

b. processing functions

c. access control

d. all of the above

Correct! Wrong!

A set of programs that handle a firm’s database responsibilities is called

a. database management system (DBMS)

b. database processing system (DBPS)

c. data management system (DMS)

d. all of above

Correct! Wrong!

Which is the make given to the database management system which is able to handle full text data, image data, audio and video?

a. full media

b. graphics media

c. multimedia

d. hypertext

Correct! Wrong!

A record management system

a. can handle many files of information at a time

b. can be used to extract information stored in a computer file

c. always uses a list as its model

d. both a and b

Correct! Wrong!

A command that lets you change one or more fields in a record is

a. insert

b. modify

c. lookup

d. none of above

Correct! Wrong!

A transparent DBMS

a. can not hide sensitive information from users

b. keeps its logical structure hidden from users

c. keeps its physical structure hidden from users

d. both b and c

Correct! Wrong!

A file produced by a spreadsheet

a. is generally stored on disk in an ASCII text fromat

b. can be used as is by the DBMS

c. both a and b

d. none of the above

Correct! Wrong!

Which of the following is not a relational database?

a. dBase IV

b. 4th Dimension

c. FoxPro

d. Reflex

Correct! Wrong!

In order to use a record management system

a. you need to understand the low level details of how information is stored

b. you need to understand the model the record management system uses

c. bother a and b

d. none of the above

Correct! Wrong!

Sort/Report generators

a. are faster than index/report generators

b. require more disk space than indexed/report generators

c. do not need to sort before generating report

d. both a and b

Correct! Wrong!

If a piece of data is stored in two places in the database, then

a. storage space is wasted

b. changing the data in one spot will cause data inconsistency

c. in can be more easily accessed

d. both and b

Correct! Wrong!

An audit trail

a. is used to make backup copies

b. is the recorded history of operations performed on a file

c. can be used to restore lost information

d. none of the aobve

Correct! Wrong!

Primitive operations common to all record management system include

a. print

b. sort

c. look-up

d. all of above

Correct! Wrong!

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digital assistant data base management online exam

Which of the following fields in a student file can be used as a primary key?

Which of the following is not an advantage of the database approach

Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time?

In the DBMS approach, application programs perform the

A set of programs that handle a firm’s database responsibilities is called

Which is the make given to the database management system which is able to handle full text data, image data, audio and video?

A record management system

A command that lets you change one or more fields in a record is

A transparent DBMS

A file produced by a spreadsheet

Which of the following is not a relational database?

In order to use a record management system

Sort/Report generators

If a piece of data is stored in two places in the database, then

An audit trail

Primitive operations common to all record management system include

tlc5

tlc 4

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