-9718 Union All Select 34,34,34,34,34,34,34,34,34,34# Info

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

: The repeated "34" is used to determine the number of columns required by the original query. If the number of values (in this case, ten) doesn't match the original table's columns, the database will return an error. -9718 UNION ALL SELECT 34,34,34,34,34,34,34,34,34,34#

: This ensures the database treats the input as literal data rather than executable code. This specific string is designed to trick a

: 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. : This likely represents a dummy or non-existent ID

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