Moja_prva_aplikacija.sql -

One of the most critical features to implement in your first SQL project is . Key Feature: Prepared Statements

: If your application runs the same query multiple times with different data, the database only has to "compile" the query once, making it faster. Other Recommended Features moja_prva_aplikacija.sql

: They separate the SQL code from the user data, so the data is never executed as a command. One of the most critical features to implement

Instead of building a query string with variables directly, you use placeholders (like ? ). This is essential for preventing , a common security vulnerability where users can manipulate your database through input fields. moja_prva_aplikacija.sql