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https://dev.mysql.com/doc/refman/8.4/en/static-format.html
It is used when the table contains no variable-length columns (VARCHAR, VARBINARY, BLOB, or TEXT). Also, when scanning a table, it is very easy to read a constant number of rows with each disk read operation. MyISAM table indexes can always be ...Of ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-fulltext-index.html
A full-text index is defined as part of a CREATE TABLE statement or added to an existing table using ALTER TABLE or CREATE INDEX. When incoming documents are tokenized, the individual words (also referred to as “tokens”) are inserted into the ...
https://dev.mysql.com/doc/refman/8.4/en/reproducible-test-case.html
For information about steps to take when encountering InnoDB table corruption, see Section 1.6, “How to Report Bugs or Problems”. If you encounter corrupted MyISAM tables or if mysqld always fails after some update statements, you can test ...
https://dev.mysql.com/doc/refman/8.4/en/sys-innodb-buffer-stats-by-table.html
These views summarize the information in the INFORMATION_SCHEMA INNODB_BUFFER_PAGE table, grouped by schema and table. Warning Querying views that access the INNODB_BUFFER_PAGE table can affect performance. Do not query these views on a production ...To avoid impacting performance on a production system, reproduce the issue you want to investigate and query buffer pool statistics on a test ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-cluster-operations.html
The cluster_operations table provides a per-operation (stateful primary key op) view of all activity in the NDB Cluster from the point of view of the local data management (LQH) blocks (see The DBLQH Block). (If the MySQL Server is running with ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-cluster-transactions.html
The cluster_transactions table shows information about all ongoing transactions in an NDB Cluster. Together with the block name, this number can be used to look up a given instance in the threadblocks table. You can use this along with the block ...
https://dev.mysql.com/doc/workbench/en/wb-table-editor-main-window.html
Any number of tables may be edited in the MySQL Table Editor at any one time. Adding another table creates a new secondary tab at the top of the editor. By default, the MySQL Table Editor appears docked at the top of the table editor tab, within ...
https://dev.mysql.com/doc/refman/8.4/en/federated-create-connection.html
To use the first method, you must specify the CONNECTION string after the engine type in a CREATE TABLE statement. For example: CREATE TABLE federated_table ( id INT(20) NOT NULL AUTO_INCREMENT, name VARCHAR(32) NOT NULL DEFAULT '', other INT(20) ...The format of the connection string is as follows: scheme://user_name[:password]@host_name[:port_num]/db_name/tbl_name Where: scheme: A recognized connection ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-compression-background.html
An InnoDB table created with ROW_FORMAT=COMPRESSED can use a smaller page size on disk than the configured innodb_page_size value. The compressed page size is specified through the CREATE TABLE or ALTER TABLE KEY_BLOCK_SIZE parameter. The different ... Because processors and cache memories have increased in speed more than disk storage devices, many workloads are ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-information-schema-files-table.html
The Information Schema FILES table provides metadata about all InnoDB tablespace types including file-per-table tablespaces, general tablespaces, the system tablespace, temporary table tablespaces, and undo tablespaces (if present). For more ...