-9718 Union All Select 34,34,34,34,34,34,34,34,34,34# May 2026

The phrase you provided, -9718 UNION ALL SELECT 34,34,34,34,34,34,34,34,34,34# , is a classic example of , a technique used to probe a database for vulnerabilities. Understanding the Syntax

: Filter and sanitize all user-provided data to block unexpected characters like UNION , SELECT , or # . -9718 UNION ALL SELECT 34,34,34,34,34,34,34,34,34,34#

: Ensure the database user account has the bare minimum permissions necessary to function. The phrase you provided, -9718 UNION ALL SELECT

This specific string is designed to trick a web application into running an unintended database command: The phrase you provided

: This likely represents a dummy or non-existent ID. By using an ID that doesn't exist, the attacker ensures the first part of the query returns no results, making the "injected" results from the second part more visible.