SQL Injection is a software vulnerability that occurs when user-supplied data is used as part of a SQL query. Due to improper validation of data, an attacker can submit a valid SQL statement that changes the logic of the initial query used by the application.

What is SQL injection Java?

In simple words, SQL Injection means injecting/inserting SQL code in a query via user-inputted data. It can occur in any applications using relational databases like Oracle, MySQL, PostgreSQL and SQL Server.

What is SQL injection and how does it work?

SQL injection (SQLi) is a type of cyberattack against web applications that use SQL databases such as IBM Db2, Oracle, MySQL, and MariaDB. As the name suggests, the attack involves the injection of malicious SQL statements to interfere with the queries sent by a web application to its database.