Computer Science - Study24x7

Computer Science

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13 Jun 2025 03:17 PM study24x7

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

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Computer Science

4 followers study24x7

13 Jun 2025 03:16 PM study24x7

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

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Computer Science

4 followers study24x7

13 Jun 2025 03:14 PM study24x7

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

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Computer Science

4 followers study24x7

12 Jun 2025 12:09 PM study24x7

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

A

file

B

field

C

data

D

batch

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Computer Science

4 followers study24x7

12 Jun 2025 12:08 PM study24x7

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

A

ALTER TABLE

B

ADD ROW

C

INSERT

D

APPEND

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Computer Science

4 followers study24x7

12 Jun 2025 12:08 PM study24x7

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

Computer Science

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Computer Science

4 followers study24x7

11 Jun 2025 01:15 PM study24x7

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

Computer Science

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Computer Science

4 followers study24x7

11 Jun 2025 01:14 PM study24x7

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

Computer Science

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Computer Science

4 followers study24x7

11 Jun 2025 01:09 PM study24x7

In SQL, which command(s) is(are) used to enable/disable all triggers on a table?

A

ALTER TRIGGERS

B

ALTER TABLE

C

MODIFY TRIGGERS IN TABLE

D

All of the above

Computer Science

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Computer Science

4 followers study24x7

10 Jun 2025 12:32 PM study24x7

Updating a database means

A

revising the file structure

B

reorganizing the database

C

modifying or adding record occurrences

D

All of the above

Computer Science

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Computer Science

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10 Jun 2025 12:31 PM study24x7

The logical data structure with a one-to-many relationship is a :

A

network

B

tree

C

chain

D

relational

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Computer Science

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10 Jun 2025 12:29 PM study24x7

The highest level in the hierarchy of data organization is called

A

data bank

B

database

C

data file

D

data record

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Computer Science

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09 Jun 2025 12:14 PM study24x7

In SQL, GRANT command is used to

A

allow user to access databases

B

allow user to create databases

C

grant system privileges, roles, and object privileges to uses and roles

D

choose auditing for specific SQL commands

Computer Science

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Computer Science

4 followers study24x7

09 Jun 2025 12:10 PM study24x7

Which of the following is true of a network structure?

A

It is a physical representation of the data

B

It allows a many-to-many relationship

C

It is conceptually simple

D

It will be the dominant data base of the future

Computer Science

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Computer Science

4 followers study24x7

09 Jun 2025 12:09 PM study24x7

A form defines

A

where data is placed on the screen

B

the width of each field

C

both (a) and (b)

D

Either (a) or (b)

Computer Science

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Computer Science

4 followers study24x7

04 Jun 2025 10:20 AM study24x7

A file produced by a spreadsheet

A

is generally stored on disk in an ASCII text format

B

can be used as it by the DBMS

C

can be used for graphic

D

All of the above

Computer Science

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Computer Science

4 followers study24x7

04 Jun 2025 10:20 AM study24x7

A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?

A

Specialized file

B

Log file

C

Master file

D

Update file

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Computer Science

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04 Jun 2025 10:19 AM study24x7

Which command is used to remove a table from the database in SQL?

A

DELETE TABLE

B

DROP TABLE

C

ERASE TABLE

D

UNATTACH TABLE

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Computer Science

4 followers study24x7

03 Jun 2025 12:05 PM study24x7

Which of the following is not a relational database?

A

dBASE IV

B

4th Dimension

C

FoxPro

D

Reflex

Computer Science

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Computer Science

4 followers study24x7

03 Jun 2025 12:04 PM study24x7

A network schema

A

restricts the structure to a one-to-many relationship

B

permits many-to-many relationÂ¬ships

C

stores data in tables

D

All of the above

Computer Science

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