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https://dev.mysql.com/doc/refman/8.4/en/information-schema-introduction.html
INFORMATION_SCHEMA provides access to database metadata, information about the MySQL server such as the name of a database or table, the data type of a column, or access privileges. Other terms that are sometimes used for this information are data ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-tables-table.html
(In-memory data resource usage is reported by the DATA_LENGTH column.) For partitioned tables, this value is only an estimate and may not be absolutely correct. (In-memory data resource usage is reported by the DATA_LENGTH column.) For MEMORY ...The ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-create-table-external.html
There are different reasons for creating InnoDB tables externally; that is, creating tables outside of the data directory. Those reasons might include space management, I/O optimization, or placing tables on a storage device with particular ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-moving-data-files-offline.html
Before moving files or directories, review the usage notes that follow. Usage Notes Wildcard expressions cannot be used in the innodb_directories argument value. The innodb_directories variable, which defines directories to scan at startup for ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-table-import.html
The Transportable Tablespaces feature is described under the following topics in this section: Prerequisites Importing Tables Importing Partitioned Tables Importing Table Partitions Limitations Usage Notes Internals Prerequisites The ... This ...
https://dev.mysql.com/doc/refman/8.4/en/miscellaneous-functions.html
For usage examples and information about time-part swapping, see the UUID_TO_BIN() function description. mysql> INSERT INTO table (a,b,c) VALUES (1,2,3),(4,5,6) -> ON DUPLICATE KEY UPDATE c=VALUES(a)+VALUES(b); Important This usage is deprecated, ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-configuration-overview.html
This is especially true with regard to those parameters that relate to memory usage and disk space, such as MaxNoOfTables, MaxNoOfOrderedIndexes, and MaxNoOfUniqueHashIndexes. In addition, it is the generally the case that configuration parameters ...Each of the node parameter tables lists the parameters for a given type (ndbd, ndb_mgmd, mysqld, computer, tcp, or ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-log-events.html
They provide information such as numbers of transactions and other operations, amount of data sent or received by individual nodes, and memory usage. An event report reported in the event logs has the following format: datetime [string] severity -- ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-blob-tool.html
--usage Command-Line Format --usage Display help text and exit; same as --help. This tool can be used to check for and remove orphaned BLOB column parts from NDB tables, as well as to generate a file listing any orphaned parts. It is sometimes ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-config.html
--usage, --help, or -? Command-Line Format --help Causes ndb_config to print a list of available options, and then exit. This tool extracts current configuration information for data nodes, SQL nodes, and API nodes from one of a number of sources: ...