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https://dev.mysql.com/doc/refman/8.4/en/performance-schema-events-stages-history-long-table.html
The events_stages_history_long table contains the N most recent stage events that have ended globally, across all threads. Stage events are not added to the table until they have ended. When the table becomes full, the oldest row is discarded when ...The Performance Schema autosizes the value of N during server ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-events-statements-history-long-table.html
The events_statements_history_long table contains the N most recent statement events that have ended globally, across all threads. Statement events are not added to the table until they have ended. When the table becomes full, the oldest row is ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-events-transactions-history-long-table.html
The events_transactions_history_long table contains the N most recent transaction events that have ended globally, across all threads. Transaction events are not added to the table until they have ended. When the table becomes full, the oldest row ...The Performance Schema autosizes the value of N is autosized at server ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-events-waits-history-long-table.html
The events_waits_history_long table contains N the most recent wait events that have ended globally, across all threads. Wait events are not added to the table until they have ended. When the table becomes full, the oldest row is discarded when a ...The Performance Schema autosizes the value of N during server ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-ndb-cluster-tables.html
The following table shows all Performance Schema tables relating to the NDBCLUSTER storage engine. Table 29.3 Performance Schema NDB Tables Table Name Description ndb_sync_excluded_objects NDB objects which cannot be synchronized ...This is done by ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-setup-threads-table.html
row *************************** NAME: thread/sql/event_scheduler ENABLED: YES HISTORY: YES PROPERTIES: singleton VOLATILITY: 0 DOCUMENTATION: NULL The setup_threads table has these columns: NAME The instrument name. For background threads, setting ...It exposes thread class names and attributes: mysql> SELECT * FROM performance_schema.setup_threads\G *************************** ...
https://dev.mysql.com/doc/refman/8.4/en/thread-pool-information-schema-tables.html
Note The INFORMATION_SCHEMA thread pool tables are deprecated, and subject to removal in a future version of MySQL. You should use the versions available as Performance Schema tables instead. Applications should transition away from the old tables ...In the case of TP_THREAD_STATE, all rows for a thread group comprise a snapshot in ...
https://dev.mysql.com/doc/mysqld-version-reference/en/performance-schema-tables.html
The following table shows all Performance Schema tables available in MySQL Server. An item has a row in the table if it ever existed in any series shown in the table. Introduced: The version or versions in which the item was introduced. Deprecated: ...
https://dev.mysql.com/doc/refman/8.4/en/cannot-find-table.html
Even for file systems that are not case-sensitive, such as on Windows, all references to a given table within a query must use the same lettercase. You can check which tables are in the default database with SHOW TABLES.
https://dev.mysql.com/doc/refman/8.4/en/information-schema-st-geometry-columns-table.html
The ST_GEOMETRY_COLUMNS table provides information about table columns that store spatial data. This table is based on the SQL/MM (ISO/IEC 13249-3) standard, with extensions as noted. MySQL implements ST_GEOMETRY_COLUMNS as a view on the ...