Class 12 Computer science
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✨ Quiz Time! ✨

Answer today's quiz questions and test your knowledge.

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Q1/10: Which of the following SQL commands is categorized as Data Definition Language (DDL) and is used to create a new database?
Anonymous Quiz
82%
CREATE DATABASE
18%
MAKE DATABASE
0%
GENERATE DATABASE
0%
BUILD DATABASE
Q2/10: What does SQL stand for in the context of relational database management systems?
Anonymous Quiz
25%
Standard Query Language
58%
Structured Query Language
17%
System Query Language
0%
Sequential Query Language
Q3/10: Which of the following constraint ensures that a column cannot have a NULL value and all values must be uniquely identifiable?
Anonymous Quiz
40%
UNIQUE
10%
NOT NULL
50%
PRIMARY KEY
0%
FOREIGN KEY
Q5/10: When using the ORDER BY clause in a SELECT query, what is the default sorting order if no keyword is specified?
Anonymous Quiz
10%
Descending
80%
Ascending
10%
Random
0%
Alphabetical by column name
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.

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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()