12. Important SQL Injection Interview Questions
These are the questions I recommend preparing after understanding the concepts above.
No. | Interview question |
|---|---|
1 | What is SQL Injection? |
2 | What is the root cause of SQL Injection? |
3 | Explain all major types of SQL Injection. |
4 | What is the difference between error-based and UNION-based SQLi? |
5 | What is the difference between Boolean-based and time-based SQLi? |
6 | What is out-of-band SQL Injection? |
7 | What is second-order SQL Injection? |
8 | What is the difference between first-order and second-order SQLi? |
9 | What are stacked queries? |
10 | What is the difference between UNION and UNION ALL? |
11 | What is the difference between SQL Injection and NoSQL Injection? |
12 | How do you test SQLi in REST APIs? |
13 | How do you test SQLi in login functionality? |
14 | Can SQL Injection happen through HTTP headers and cookies? |
15 | Can SQL Injection occur in an application using ORM? |
16 | Does input validation prevent SQL Injection completely? |
17 | How do prepared statements prevent SQL Injection? |
18 | How would you report SQL Injection to a client? |
19 | What is the impact of SQL Injection on a business? |
20 | How would you test SQL Injection if database errors are disabled? |
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