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The sys schema often formats the statement for readability, making it easier to spot the WHERE clause missing its index.
Unlike a standard KILL , which terminates the entire user session, KILL QUERY only stops the current statement, leaving the connection open for the user to run other commands. 3. KILL QUERY vs. KILL CONNECTION
Each query process has a unique identifier, known as the "thread ID" or "process ID" (PID). You can view the running queries and their corresponding thread IDs using the SHOW PROCESSLIST command.
