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https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-virtual-table.html
The INNODB_VIRTUAL table provides metadata about InnoDB virtual generated columns and columns upon which virtual generated columns are based. The value is large because it encodes the column sequence number and ordinal position. Use the ...A row ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-key-column-usage-table.html
This table provides no information about functional key parts because they are expressions and the table provides information only about columns. The KEY_COLUMN_USAGE table has these columns: CONSTRAINT_CATALOG The name of the catalog to which the ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-mysql-firewall-users-table.html
It lists names and operational modes of registered firewall account profiles. As of MySQL 8.0.26, this table is deprecated and subject to removal in a future MySQL version. The MYSQL_FIREWALL_USERS table provides a view into the in-memory data ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-configuration.html
This section provides configuration information and procedures for InnoDB initialization, startup, and various components and features of the InnoDB storage engine. For information about optimizing database operations for InnoDB tables, see Section ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-temp-table-info.html
The number of columns (N_COLS) is 4 rather than 1 because InnoDB always creates three hidden table columns (DB_ROW_ID, DB_TRX_ID, and DB_ROLL_PTR). mysql> SELECT * FROM INFORMATION_SCHEMA.INNODB_TEMP_TABLE_INFO\G An empty set is returned because ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-memcached-developing.html
With the daemon_memcached plugin, instead of many traditional memcached servers running on low-powered machines, you have the same number of memcached servers as MySQL servers, running on relatively high-powered machines with substantial disk ...
https://dev.mysql.com/doc/refman/8.0/en/insert-delayed.html
The DELAYED option for the INSERT statement is a MySQL extension to standard SQL. The server recognizes but ignores the DELAYED keyword, handles the insert as a nondelayed insert, and generates an ER_WARN_LEGACY_SYNTAX_CONVERTED warning: INSERT ...
https://dev.mysql.com/doc/refman/8.0/en/ipv6-server-config.html
As of MySQL 8.0.13, you can specify multiple values for this option, including any combination of IPv6 addresses, IPv4 addresses, and host names that resolve to IPv6 or IPv4 addresses. A value of *, which is the default, or a value of ::, permit ...
https://dev.mysql.com/doc/refman/8.0/en/linux-installation-apt-repo.html
The MySQL APT repository provides deb packages for installing and managing the MySQL server, client, and other components on the current Debian and Ubuntu releases. Instructions for using the MySQL APT Repository are available in A Quick Guide to ...
https://dev.mysql.com/doc/refman/8.0/en/myisamchk-check-options.html
--update-state, -U Command-Line Format --update-state Store information in the .MYI file to indicate when the table was checked and whether the table crashed. myisamchk supports the following options for table checking operations: --check, -c ...