How to stop a running MySQL query?

To stop a running MySQL query, we can use the KILL command with the process ID. The syntax is as follows -

kill processId;

Or you can stop the running MySQL query with the help of the following syntax -

call mysql.rds_kill(queryId);

Let us first get the processId with the help of show command. The query is as follows -

mysql> show processlist;

This is the output with process list-

+----+-----------------+-----------------+----------+---------+--------+------------------------+------------------+
| Id |  User           | Host            | db       | Command | Time   | State                  | Info             |
+----+-----------------+-----------------+----------+---------+--------+------------------------+------------------+
| 4  | event_scheduler | localhost       | NULL     | Daemon  | 221718 | Waiting on empty queue | NULL             |
| 47 | root            | localhost:60722 | business | Query   | 0      | starting               | show processlist |
+----+-----------------+-----------------+----------+---------+--------+------------------------+------------------+
2 rows in set (0.03 sec)

Here, two processes are running in MySQL, if you want to stop one of the processes, then you can use the above Syntax and specific id Use "KILL"

Query as follows - p>

mysql> kill 47;
ERROR 1317 (70100): Query execution was interrupted

Alternatively, you can use mysql.rds_kill(id) to do this. The query is as follows -

mysql> CALL mysql.rds_kill(47);
ERROR 2013 (HY000): Lost connection to MySQL server during query

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