What is the impact of using a whitelist approach for input validation in SQL injection defense?

It allows only predefined, safe inputs
It blocks all user inputs
It encrypts the database
It relies on blacklisting known dangerous inputs

Using a whitelist approach for input validation in SQL injection defense involves allowing only predefined, safe inputs to be accepted by the application. This approach helps prevent SQL injection by explicitly specifying the permissible inputs, thereby reducing the risk of unauthorized SQL commands being injected into the application.

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