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https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-ft-being-deleted-table.html
The INNODB_FT_BEING_DELETED table provides a snapshot of the INNODB_FT_DELETED table; it is used only during an OPTIMIZE TABLE maintenance operation. When OPTIMIZE TABLE is run, the INNODB_FT_BEING_DELETED table is emptied, and DOC_ID values are ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-ft-config-table.html
The INNODB_FT_CONFIG table provides metadata about the FULLTEXT index and associated processing for an InnoDB table. Before querying it, set the value of the innodb_ft_aux_table system variable to the name (including the database name) of the table ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-ft-deleted-table.html
The INNODB_FT_DELETED table stores rows that are deleted from the FULLTEXT index for an InnoDB table. Before querying it, set the value of the innodb_ft_aux_table system variable to the name (including the database name) of the table that contains ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-tablestats-table.html
The INNODB_TABLESTATS table provides a view of low-level status information about InnoDB tables. This data is used by the MySQL optimizer to calculate which index to use when querying an InnoDB table. This information is derived from in-memory data ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-temp-table-info-table.html
The INNODB_TEMP_TABLE_INFO table is created when first queried, exists only in memory, and is not persisted to disk. The INNODB_TEMP_TABLE_INFO table provides information about user-created InnoDB temporary tables that are active in an InnoDB ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-keywords-table.html
The KEYWORDS table lists the words considered keywords by MySQL and, for each one, indicates whether it is reserved. Reserved keywords may require special treatment in some contexts, such as special quoting when used as identifiers (see Section ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-statistics-table.html
The information_schema_stats_expiry system variable defines the period of time before cached table statistics expire. If there are no cached statistics or statistics have expired, statistics are retrieved from storage engines when querying table ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-tp-thread-group-state-table.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 insted. Applications should transition away from the old tables ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-tp-thread-group-stats-table.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 ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-tp-thread-state-table.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 ...