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https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-tablespaces-brief-table.html
The INNODB_TABLESPACES_BRIEF table provides space ID, name, path, flag, and space type metadata for file-per-table, general, undo, and system tablespaces. INNODB_TABLESPACES provides the same metadata but loads more slowly because other metadata ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-tablespaces-table.html
The INNODB_TABLESPACES table provides metadata about InnoDB file-per-table, general, and undo tablespaces. For related usage information and examples, see Section 17.15.3, “InnoDB INFORMATION_SCHEMA Schema Object Tables”. Note The ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-buffer-pool.html
The buffer pool is an area in main memory where InnoDB caches table and index data as it is accessed. The buffer pool permits frequently used data to be accessed directly from memory, which speeds up processing. On dedicated servers, up to 80% of ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-init-startup-configuration.html
The first decisions to make about InnoDB configuration involve the configuration of data files, log files, page size, and memory buffers, which should be configured before initializing InnoDB. Modifying the configuration after InnoDB is initialized ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-multi-versioning.html
It keeps information about old versions of changed rows to support transactional features such as concurrency and rollback. This information is stored in undo tablespaces in a data structure called a rollback segment. InnoDB uses the information in ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-redo-log.html
The redo log is a disk-based data structure used during crash recovery to correct data written by incomplete transactions. During normal operations, the redo log encodes requests to change table data that result from SQL statements or low-level API ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-functions-general-purpose.html
MySQL Server supports a keyring service that enables internal components and plugins to store sensitive information securely for later retrieval. MySQL Server also includes an SQL interface for keyring key management, implemented as a set of ...
https://dev.mysql.com/doc/refman/8.4/en/keywords.html
Certain keywords, such as SELECT, DELETE, or BIGINT, are reserved and require special treatment for use as identifiers such as table and column names. This may also be true for the names of built-in functions. Some keywords which are otherwise ...
https://dev.mysql.com/doc/refman/8.4/en/linux-installation-apt-repo.html
This section provides guidance on installing MySQL using the MySQL APT repository. First, add the MySQL APT repository to your system's software repository list. Follow these steps: Go to the download page for the MySQL APT repository at ...
https://dev.mysql.com/doc/refman/8.4/en/linux-installation-yum-repo.html
Before You Start As a popular, open-source software, MySQL, in its original or re-packaged form, is widely installed on many systems from various sources, including different software download sites, software repositories, and so on. The following ...