{keyword}');select Dbms_pipe.receive_message(chr(107)||chr(72)||chr(88)||chr(67),5) From Dual-- Info

: A special dummy table in Oracle used for selecting results from functions that don't belong to a specific table.

: A SQL comment used to ignore the rest of the original query, preventing syntax errors.

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 : A special dummy table in Oracle used

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:

: 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. CHR - Oracle Help Center The command DBMS_PIPE

The string you provided appears to be a designed for Oracle databases.

: An Oracle subprogram typically used for communication between database sessions. The string you provided appears to be a

: These CHR functions convert numeric ASCII values into characters to bypass security filters that might block specific words like "PIPE". 107 = k 72 = H 88 = X 67 = C Result: kHXC (the name of the pipe to listen to).