Class 12 Computer science
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Q6/10: Which keyword is used along with the SELECT statement to extract data that matches a specific pattern?
Anonymous Quiz
17%
MATCH
50%
LIKE
25%
PATTERN
8%
EQUALS
Q7/10: Assertion (A): VARCHAR is a fixed-length string data type in MySQL. Reason (R): CHAR allocates the exact space declared, regardless of the data size.
Anonymous Quiz
50%
Both A and R are true, and R is correct explanation
10%
Both A and R are true, but R is not correct explanation
0%
A is true, but R is false
40%
A is false, but R is true
Q8/10: If an administrator needs to grant or revoke privileges for a specific user, which sublanguage category do these commands fall under?
Anonymous Quiz
13%
Data Definition Language (DDL)
38%
Data Manipulation Language (DML)
0%
Data Control Language (DCL)
50%
Transaction Control Language (TCL)
Q9/10: Which statement is primarily used to extract data from a database?
Anonymous Quiz
25%
EXTRACT
13%
PULL
50%
SELECT
13%
FETCH
Q10/10: Which of the following wildcards matches any number of characters in a LIKE clause?
Anonymous Quiz
11%
_
56%
%
33%
*
0%
?
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✨ Quiz Time! ✨

Answer today's quiz questions and test your knowledge.

Every question is a step toward exam success!

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Good luck!
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
0%
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! 🎉

Thank you for participating.

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Next quiz Sunday at 20:00
✨ Quiz Time! ✨

Answer today's quiz questions and test your knowledge.

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