![]() unwrap () // Using built-in functions let users: Vec = sqlx:: query_as:: ( "SELECT * FROM users WHERE name = ?" ). unwrap () // Using build-in macros (compile time checks) let users = sqlx:: query_as ! ( User, "SELECT * FROM users WHERE name = ?", username ). Input from CLI args but could be anything let username = std:: env:: args (). Please ensure that query parameterization is done server-side! Prepared Statement Examples ¶ Using Java built-in feature ¶ These libraries often just build queries with string concatenation before sending raw queries to a server. Please note, many client side frameworks and libraries offer client side query parameterization. ![]() The purpose of these code samples is to demonstrate to the web developer how to avoid SQL Injection when building database queries within a web application. The following chart demonstrates, with real-world code samples, how to build parameterized queries in most of the common web languages. SQL Injection is best prevented through the use of parameterized queries. This cheat sheet is a derivative work of the SQL Injection Prevention Cheat Sheet. It represents a serious threat because SQL Injection allows evil attacker code to change the structure of a web application's SQL statement in a way that can steal data, modify data, or potentially facilitate command injection to the underlying OS. As of 2021, it sits at #3 on the OWASP Top 10. So much so that it was the #1 item in both the OWASP version, and 2017 version. SQL Injection is one of the most dangerous web vulnerabilities. Query Parameterization Cheat Sheet ¶ Introduction ¶ Stored Procedure Using Bind Variables in SQL Run with EXEC ![]() Stored Procedure Using Bind Variables in SQL Run with EXECUTE Using PERL with Database Independent Interface Insecure Direct Object Reference Prevention ![]()
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