MySQL 9.3 Reference Manual Including MySQL NDB Cluster 9.3
The following sections describe tables that do not fall into the table categories discussed in the preceding sections:
component_scheduler_tasks
: The
current status of each scheduled task.
error_log
: The most recent
events written to the error log.
host_cache
: Information from
the internal host cache.
innodb_redo_log_files
:
Information about InnoDB redo log files.
log_status
: Information about
server logs for backup purposes.
mysql_option
: Information about
features available in the MySQL Server.
performance_timers
: Which event
timers are available.
processlist
: Information about
server processes.
threads
: Information about
server threads.
tls_channel_status
: TLS context
properties for connection interfaces.
user_defined_functions
:
Loadable functions registered by a component, plugin, or
CREATE
FUNCTION
statement.