2

Question 1

which of the following keys are used to delete a line?

Answer 1

ce

Question 2

which statement is used to display message on screen given by user?

Answer 2

echo

Question 3

which command is used find string or pattern from file?

Answer 3

grep

Question 4

Which of the following statement is true?

(a)every table must not have primary key.
(b) primary key can not combination of fields.
(c) data type of primary key and foriegn key should not same.
(d) names of primary key and foriegn key should not same..

Answer 4

D

Question 5

Which of following relationship between country and state?

Answer 5

One to many

Question 6

To reduce data redundancy which technique is used?

Answer 6

Normalization

Question 7

Which one of the following is a database?
A)base
B)oracle
C)spreadsheet
D)A and B

Answer 7

D

Question 8

which of the following is the default extension of base

Answer 8

.dbf

Question 9

which is the objects in database?

Answer 9

table

Question 10

Processed data is known as

Answer 10

Information

Question 11

Processed data is known as