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Published on: 13/09/2022
QB365 provides a detailed and simple solution for every Possible Creative Questions in Class 12 Computer Science Subject - Data Manipulation Through SQL , English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
Download Tamil Nadu 12th Standard Computer Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Computer Science Test
1.
Which of the following clause is often used with aggregate functions to group the result?
ORDERBY
WHERE
GROUP BY
DISTINCT
2.
Which SQlite keyword is used to extract only those records that fulfill a specified condition?
WHERE
EXTRACT
CONNECT
CURSOR
3.
Which SQlite keyword is used to fetch only the unique value from database table?
UNIQUE
DISTINCT
GROUPBY
HAVING
4.
Which of the following clause will not work in SQlite?
DISTINCT
HAVING
FETCHALL
WHERE
5.
Which SQlite method is used to fetch the required number of rows in the database table?
fetch ( )
fetchamany ( )
fetchrows ( )
tablerows ( )
6.
Which sqlite method is used to fetch all rows from the database table?
fetch ( )
fetchrowsAll ( )
fectchmany ( )
fetchall ( )
7.
Which of the following statement in SQL is used to retrieve or fetch data from a table in a database?
select
inset
create
fetch
8.
The command to populate the table is
ADD
APPEND
INSERT
ADDROW
9.
A table column will be automatically auto incremented in SQlite3 by giving
KEY
PRIMARY KEY
PRIMARY COLUMN
KEY PRIMARY
10.
Which of the following is used define a SQL command in SQlite3?
" "
" " " "
' '
" " " " "
11.
Which of the following is a command to open the already created database from the statement connection = sqlite3.connect ("ABC.db")
ABC.db
connect
SQlite3
connection
12.
The SQlite command opens the already created database is
Cursor
Sql-comm
Connect
Connection
13.
Which method has a major role in working with python?
cursor ( )
connect ( )
execute ( )
close
14.
Which method is SQlite is used create a connection with a database file created?
cursor ( )
lite ( )
connect ( )
connection ( )
15.
Which of following is fast, flexible and easy to work?
CSV
SQlite
Perl
Ruby
1.
(c)
GROUP BY
2.
(a)
WHERE
3.
(b)
DISTINCT
4.
(c)
FETCHALL
5.
(b)
fetchamany ( )
6.
(d)
fetchall ( )
7.
(a)
select
8.
(c)
INSERT
9.
(c)
PRIMARY COLUMN
10.
(d)
" " " " "
11.
(b)
connect
12.
(c)
Connect
13.
(a)
cursor ( )
14.
(c)
connect ( )
15.
(b)
SQlite
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