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Quiz on SQL Injection Basics

by Quiz Orbit Team

SQL Injection is one of the most dangerous web security vulnerabilities, allowing attackers to manipulate SQL queries and gain unauthorized access to data. Understanding its basics is crucial for database developers and cybersecurity professionals.

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Question 1 of 15
1. Question
What is SQL Injection?
- A method of database backup
- A way to improve query performance
- A technique to inject malicious SQL code via input fields
- A SQL optimization tool
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Question 2 of 15
2. Question
Which part of a web application is typically exploited for SQL Injection?
- Backend server
- Input fields and query strings
- Web server logs
- CSS files
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Question 3 of 15
3. Question
What is the potential impact of a successful SQL Injection attack?
- Slow database performance
- Display formatting issues
- Unauthorized access or data theft
- Increased storage cost
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Question 4 of 15
4. Question
Which of the following inputs is a classic SQL Injection payload?
- hello world
- OR 1=1–
- SELECT * FROM
- #include<stdio.h>
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Question 5 of 15
5. Question
What is the result of this query:
SELECT * FROM users WHERE username = ” OR 1=1 –‘
- Syntax error
- Returns no rows
- Returns all rows in users table
- Deletes user records
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Question 6 of 15
6. Question
Which language construct is most vulnerable to SQL Injection?
- Stored procedures
- Prepared statements
- Dynamic SQL with string concatenation
- Views
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Question 7 of 15
7. Question
What’s the best way to prevent SQL Injection?
- Use dynamic SQL
- Remove comments
- Use parameterized/prepared statements
- Disable SELECT command
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Question 8 of 15
8. Question
Which statement is most secure against SQL Injection?
- SELECT * FROM users WHERE name = ' + userInput
- SELECT * FROM users WHERE name = ?
- SELECT name FROM users
- DROP TABLE users
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Question 9 of 15
9. Question
What is blind SQL injection?
- SQLi in command-line tools
- SQLi that returns full database contents
- SQLi where results are not visible, but behavior changes
- SQLi on encrypted databases
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Question 10 of 15
10. Question
Which HTTP method is typically used in SQL Injection attempts?
- DELETE
- PUT
- POST or GET
- TRACE
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Question 11 of 15
11. Question
What does — signify in a SQL injection attack?
- Start of a new query
- End of query
- SQL comment indicator to ignore rest of the query
- Concatenation operator
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Question 12 of 15
12. Question
Which database system is commonly targeted by SQL Injection?
- Only MySQL
- Only PostgreSQ
- Only Oracle
- All major RDBMS
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Question 13 of 15
13. Question
What is tautology-based SQL Injection?
- Injection that uses always-false logic
- Injection with stored procedures
- Injection where condition always evaluates to true
- Injection in binary columns
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Question 14 of 15
14. Question
What is the role of input validation in SQL Injection prevention?
- It reduces memory usage
- It improves indexing
- It restricts harmful characters or patterns in inputs
- It increases SQL execution speed
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Question 15 of 15
15. Question
Which of the following is an additional technique to reduce SQL Injection risk?
- Disabling foreign keys
- Using hashed passwords
- Limiting database permissions
- Using floats instead of integers
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Summary

This quiz on SQL injection basics covers the fundamentals of SQL Injection, including attack techniques, prevention strategies, vulnerable code patterns, and real-world impacts. Keywords: SQL Injection, database security, SQLi attack, input sanitization.

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Quiz Orbit Team

At QuizOrbit, our team specializes in fun, informative quizzes across topics like general knowledge, technology, and entertainment. Boost your knowledge with our expert-designed quizzes.

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