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 example?

Some common SQL injection examples include: Retrieving hidden data, where you can modify an SQL query to return additional results. Subverting application logic, where you can change a query to interfere with the application’s logic. UNION attacks, where you can retrieve data from different database tables.

What happens SQL injection?

SQL injection attacks occur when a web application does not validate values received from a web form, cookie, input parameter, etc., before passing them to SQL queries that will be executed on a database server. … SQL injection attack risk is usually very high and the consequences are severe.