If you're developing a website, you should use or prepared statements to prevent users from executing unauthorized commands like this through search boxes or forms. SQL ORDER BY | Sort Data In SQL Tutorial - DataLemur
In SQL, the phrase is a shorthand command used to sort the results of a query based on the first column listed in the SELECT statement. How it Works
This technique is frequently used by attackers to determine the number of columns in a table or to manipulate how data is retrieved from a database. {KEYWORD}' ORDER BY 1-- NfSU
: Instead of naming a specific column (e.g., ORDER BY date ), the number "1" refers to the column's position in your results.
Used to "comment out" the rest of the original query so the database ignores it. If you're developing a website, you should use
The specific syntax you provided ( KEYWORD' ORDER BY 1-- ) is often associated with or attacks. The Quote ( ' ): Used to break out of a string literal.
: For numerical data, it sorts from the smallest (or most negative) value to the largest. Security Warning: SQL Injection : Instead of naming a specific column (e
: For columns containing text data, this command will sort the values alphabetically (A to Z) by default.