-1697 Union All Select 34# May 2026

: In MySQL, this character marks the rest of the query as a comment, effectively "breaking" any remaining original code that might cause the attack to fail. Why are you seeing this?

: Ensure that if a field expects a number, it only receives a number. -1697 UNION ALL SELECT 34#

: These can block common "UNION ALL" patterns before they ever reach your database. : In MySQL, this character marks the rest

: This is the most effective defense.

To prevent these types of attacks, developers should never insert user input directly into SQL queries. Instead, you should use: : In MySQL