The command DBMS_PIPE.RECEIVE_MESSAGE(CHR(107)||CHR(72)||CHR(88)||CHR(67),5) attempts to force the database to pause for . Breakdown of the Code:
: A special dummy table in Oracle used for selecting results from functions that don't belong to a specific table. The command DBMS_PIPE
: A SQL comment used to ignore the rest of the original query, preventing syntax errors. : This part is intended to break out
: This part is intended to break out of a preceding SQL string (like a search filter or input field) by closing a single quote and a parenthesis. If the database takes exactly 5 seconds to
If you encountered this in a log or a search field, it is likely an automated probe by a security scanner or an attacker trying to identify vulnerabilities. CHR - Oracle Help Center
: This is the timeout argument in seconds. If the database takes exactly 5 seconds to respond, it confirms to an attacker that the system is vulnerable to SQL injection.
The string you provided appears to be a designed for Oracle databases.