The active or total connection can be known with the help of threads_connected variable. The variable tells about the number of currently open connections.
The query is as follows −
mysql> show status where `variable_name` = 'Threads_connected';
Here is the output.
+-------------------+-------+ | Variable_name | Value | +-------------------+-------+ | Threads_connected | 1 | +-------------------+-------+ 1 row in set (0.06 sec)
We can check the same with the help of show command. The query is as follows −
mysql> show processlist;
Here is the output.
+----+-----------------+-----------------+----------+---------+--------+------------------------+------------------+ | Id | User | Host | db | Command | Time | State | Info | +----+-----------------+-----------------+----------+---------+--------+------------------------+------------------+ | 4 | event_scheduler | localhost | NULL | Daemon | 349012 | Waiting on empty queue | NULL | | 11 | root | localhost:54746 | business | Query | 1 | starting | show processlist | +----+-----------------+-----------------+----------+---------+--------+------------------------+------------------+ 2 rows in set (0.31 sec)