: They separate the SQL code from the user data, so the data is never executed as a command.
For a project named moja_prva_aplikacija.sql (which translates to "my first application"), a "good feature" involves moving beyond simple data storage toward security and efficiency. moja_prva_aplikacija.sql
To make your first application robust, consider adding these elements: : They separate the SQL code from the
: Add indexes to columns that you search or join frequently to speed up retrieval times. : Instead of using SELECT * , only
: Instead of using SELECT * , only request the specific columns you need. Always include a WHERE clause to avoid loading massive amounts of unnecessary data.
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.
One of the most critical features to implement in your first SQL project is . Key Feature: Prepared Statements