MySQL 8.0 Reference Manual Including MySQL NDB Cluster 8.0
The following sections describe tables that do not fall into the table categories discussed in the preceding sections:
error_log
: The most recent
events written to the error log.
host_cache
: Information from
the internal host cache.
keyring_keys
: Metadata for keys
in the MySQL keyring.
log_status
: Information about
server logs for backup purposes.
performance_timers
: Which event
timers are available.
threads
: Information about
server threads.
tls_channel_status
: TLS context
properties for connection interfaces.
user_defined_functions
:
User-defined functions registered by a component, plugin, or
CREATE
FUNCTION
statement.