This command tells the database to combine the results of the original search with a new set of data—often used to figure out how many columns are in a table or to leak sensitive info.
In SQL, this comments out the rest of the original query, making sure the "injected" part runs without errors. -7226') UNION ALL SELECT 34,34,34#
Web security is often a game of "hide and seek" with data. One of the oldest and most effective tricks in a hacker's book is SQL Injection. But what do those strange strings of numbers and dashes actually do? This command tells the database to combine the