SQL Injection
Software Engineering · Last updated: July 30, 2026 · How this entry was written
Definition: A code injection technique that exploits a security vulnerability in an application's database layer by inserting malicious SQL statements. It can lead to unauthorized data access or modification.
Example in context
“To prevent SQL injection, the team decided to use parameterized queries instead of concatenating user input directly.”
“SQL enjeksiyonunu önlemek için ekip, kullanıcı girdisini doğrudan birleştirmek yerine parametreli sorgular kullanmaya karar verdi.”
Where engineers use it
SQL injection is frequently mentioned during code reviews and security training. Developers encounter it when handling database interactions. Understanding it is essential for building secure applications that process user input.
Synonyms: SQLi
Practice: can you use “SQL Injection” at work?
A login page concatenates username and password into an SQL query. Describe how an attacker could exploit this and propose a secure alternative.
Show a model answer
“Always use prepared statements to protect against SQL injection attacks.”
“SQL Injection” in 21 languages
| English | SQL Injection |
|---|---|
| Turkish | SQL enjeksiyonu |
| French | injection SQL |
| German | SQL-Injection |
| Spanish | inyección SQL |
| Chinese | SQL注入 |
| Arabic | حقن SQL |
| Portuguese | injeção SQL |
| Russian | SQL-инъекция |
| Japanese | SQLインジェクション |
| Italian | SQL injection |
| Vietnamese | SQL injection |
| Hindi | SQL इंजेक्शन |
| Thai | การแทรก SQL |
| Indonesian | injeksi SQL |
| Korean | SQL 인젝션 |
| Bengali | SQL ইনজেকশন |
| Dutch | SQL-injectie |
| Swedish | SQL-injektion |
| Finnish | SQL-injektio |
| Ukrainian | SQL-ін'єкція |
Frequently asked questions
What does SQL Injection mean in engineering?
A code injection technique that exploits a security vulnerability in an application's database layer by inserting malicious SQL statements. It can lead to unauthorized data access or modification. In Software Engineering, the term carries a usage-frequency rating of 10/10 in the Engineering English library.
How do you pronounce SQL Injection?
SQL Injection is pronounced /ɛs kjuː ɛl ɪnˈdʒɛkʃən/ (IPA). The Engineering English app plays audio for the term and checks your pronunciation with speech recognition.
How is SQL Injection used in a sentence?
Example from an engineering context: “To prevent SQL injection, the team decided to use parameterized queries instead of concatenating user input directly.”
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