INSERT INTO mysql.event ( db, name, body, definer, interval_value, interval_field, originator, character_set_client, collation_connection, db_collation, body_utf8) values ( database(), "ev1", "select 1", user(), 100, "SECOND_MICROSECOND", 1, 'utf8', 'utf8_general_ci', 'utf8_general_ci', 'select 1'); SHOW EVENTS; ERROR 42000: This version of MariaDB doesn't yet support 'MICROSECOND' DROP EVENT ev1; SELECT TABLE_NAME, COLUMN_NAME, REFERENCED_TABLE_NAME, REFERENCED_COLUMN_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE ORDER BY TABLE_NAME; TABLE_NAME COLUMN_NAME REFERENCED_TABLE_NAME REFERENCED_COLUMN_NAME column_stats column_name NULL NULL column_stats db_name NULL NULL column_stats table_name NULL NULL columns_priv Column_name NULL NULL columns_priv Db NULL NULL columns_priv Host NULL NULL columns_priv Table_name NULL NULL columns_priv User NULL NULL db Db NULL NULL db Host NULL NULL db User NULL NULL event db NULL NULL event name NULL NULL func name NULL NULL gtid_slave_pos domain_id NULL NULL gtid_slave_pos sub_id NULL NULL help_category help_category_id NULL NULL help_category name NULL NULL help_keyword help_keyword_id NULL NULL help_keyword name NULL NULL help_relation help_keyword_id NULL NULL help_relation help_topic_id NULL NULL help_topic help_topic_id NULL NULL help_topic name NULL NULL host Db NULL NULL host Host NULL NULL index_stats db_name NULL NULL index_stats index_name NULL NULL index_stats prefix_arity NULL NULL index_stats table_name NULL NULL innodb_index_stats database_name NULL NULL innodb_index_stats index_name NULL NULL innodb_index_stats stat_name NULL NULL innodb_index_stats table_name NULL NULL innodb_table_stats database_name NULL NULL innodb_table_stats table_name NULL NULL plugin name NULL NULL proc db NULL NULL proc name NULL NULL proc type NULL NULL procs_priv Db NULL NULL procs_priv Host NULL NULL procs_priv Routine_name NULL NULL procs_priv Routine_type NULL NULL procs_priv User NULL NULL proxies_priv Host NULL NULL proxies_priv Proxied_host NULL NULL proxies_priv Proxied_user NULL NULL proxies_priv User NULL NULL roles_mapping Host NULL NULL roles_mapping Role NULL NULL roles_mapping User NULL NULL servers Server_name NULL NULL table_stats db_name NULL NULL table_stats table_name NULL NULL tables_priv Db NULL NULL tables_priv Host NULL NULL tables_priv Table_name NULL NULL tables_priv User NULL NULL time_zone Time_zone_id NULL NULL time_zone_leap_second Transition_time NULL NULL time_zone_name Name NULL NULL time_zone_transition Time_zone_id NULL NULL time_zone_transition Transition_time NULL NULL time_zone_transition_type Time_zone_id NULL NULL time_zone_transition_type Transition_type_id NULL NULL transaction_registry commit_id NULL NULL transaction_registry transaction_id NULL NULL user Host NULL NULL user User NULL NULL