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Algorithms Fundamentals

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Question 1

1 / 10

What is a database?
Database क्या होता है?

Organized collection of data Programming language Operating system Compiler

Question 2

2 / 10

Which language is used to manage relational databases?
Relational database को manage करने के लिए कौन सी भाषा उपयोग होती है?

SQL HTML CSS Java

Question 3

3 / 10

What does SQL stand for?
SQL का पूरा नाम क्या है?

Structured Query Language Simple Query Language Standard Question Language System Query Logic

Question 4

4 / 10

Which command is used to retrieve data from a table?
Table से data निकालने के लिए कौन सा command उपयोग होता है?

SELECT INSERT UPDATE DELETE

Question 5

5 / 10

Which key uniquely identifies a record?
कौन सी key किसी record को uniquely पहचानती है?

Primary Key Foreign Key Candidate Key Composite Key

Question 6

6 / 10

Which SQL clause is used to filter records?
Records को filter करने के लिए कौन सा SQL clause उपयोग होता है?

WHERE GROUP BY ORDER BY HAVING

Question 7

7 / 10

What is normalization?
Normalization क्या है?

Process of reducing data redundancy Data deletion Data encryption Data indexing

Question 8

8 / 10

Which SQL function returns number of rows?
कौन सा SQL function rows की संख्या लौटाता है?

COUNT() SUM() AVG() MAX()

Question 9

9 / 10

Which command is used to remove a table completely?
पूरी table हटाने के लिए कौन सा command उपयोग होता है?

DROP DELETE TRUNCATE REMOVE

Question 10

10 / 10

Which join returns matching records from both tables?
कौन सा join दोनों tables से matching records लौटाता है?

INNER JOIN LEFT JOIN RIGHT JOIN FULL JOIN

Total Questions : 10

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