Class 12 Computer science
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Q1/10: Which aggregate function is used to return the total number of rows that match a specified criterion?
Anonymous Quiz
33%
SUM()
0%
TOTAL()
33%
COUNT()
33%
ROWS()
Q2/10: Which SQL clause is used to filter records after they have been grouped by the GROUP BY clause?
Anonymous Quiz
0%
WHERE
50%
ORDER BY
50%
HAVING
0%
FILTER
Q3/10: Which function would you use to find the highest salary in an Employee table?
Anonymous Quiz
33%
HIGH(Salary)
0%
TOP(Salary)
67%
MAX(Salary)
0%
LARGEST(Salary)
Q4/10: Which aggregate function calculates the average value of a numeric column?
Anonymous Quiz
0%
AVERAGE()
25%
MEAN()
75%
AVG()
0%
MEDIAN()
❤1
Q5/10: The Cartesian product of two tables is also referred to as which type of join?
Anonymous Quiz
33%
Inner Join
0%
Equi Join
33%
Natural Join
33%
Cross Join
Q6/10: Which clause is used to group rows that have the same values into summary rows?
Anonymous Quiz
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ORDER BY
50%
GROUP BY
25%
SORT BY
25%
MATCH BY
Q7/10: An Equi Join uses which operator to compare columns between two tables?
Anonymous Quiz
67%
=
0%
>
33%
LIKE
0%
IN
Q8/10: Assertion (A): The WHERE clause can filter grouped records using aggregate functions. Reason (R): The HAVING clause is specifically designed to filter records after grouping.
Anonymous Quiz
0%
Both A and R are true, and R is correct explanation
100%
Both A and R are true, but R is not correct explanation
0%
A is true, but R is false
0%
A is false, but R is true
❤1
Q9/10: Table A has 4 rows and Table B has 3 rows. How many rows will be present in the result set of a Cross Join between these tables?
Anonymous Quiz
67%
7
33%
12
0%
1
0%
0
Q10/10: Table A has 5 rows and Table B has 4 rows. If a CROSS JOIN is performed, and then a WHERE clause filters out 10 rows, how many rows remain?
Anonymous Quiz
25%
9
25%
10
0%
20
50%
0
🎉 Quiz Finished! 🎉

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✨ Quiz Time! ✨

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Q2/10: In Django's MVT architecture, what does the 'M' stand for?
Anonymous Quiz
0%
Module
33%
Manager
67%
Model
0%
Method
Q3/10: Which command is used to start the Django development server?
Anonymous Quiz
0%
django-admin startserver
67%
python start.py server
0%
django run server
0%
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Q4/10: Which command is used to initialize a new Django project?
Anonymous Quiz
0%
django-admin startproject
33%
django create project
33%
python init django
0%
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Q5/10: Which file in a Django project contains the URL routing declarations?
Anonymous Quiz
33%
33%
0%
0%
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Q6/10: In a typical Django application, where are the functions that handle HTTP requests and return responses defined?
Anonymous Quiz
67%
33%
0%
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