Moja_prva_aplikacija.sql -

: Use Primary Keys to uniquely identify records and Foreign Keys to create relationships between tables (e.g., connecting a Users table to an Orders table).

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

: 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 : Use Primary Keys to uniquely identify records

: If you are using stored procedures, look into commands like SET XACT_ABORT ON (in SQL Server) to automatically roll back changes if an error occurs. This is essential for preventing , a common

: Add indexes to columns that you search or join frequently to speed up retrieval times.

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

To make your first application robust, consider adding these elements: