Question 1

___________ is a database object that allows the creation of a customised slice of a table or a collection of tables

Options :

A : Views

B : Indexes

C : Synonyms

D : Aliases

Answer: A

Question 2

For vi editor, in Escape mode, the keys are

Options :

A : Interpreted as commands and echoed at the command line

B : Echoed in the edit buffer

C : None of the options are correct

Answer: A

Question 3

The sql command "alter table" is a

Options :

A : DCL statement

B : DML statement

C : DDL statement

D : All the options are correct

Answer: C

Question 4

It is not possible to write our own Shell as it is not a program dedicated to a particular user.

Options :

A : True

B : False

Answer: B

Question 5

The sql statement "DESC emptable"

Options :

A : Is used to view the structure of the table emptable

B : Shows the user all the data in the table

C : Selects the number of rows in the table

D : None of the options are correct

Answer: A