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https://dev.mysql.com/doc/refman/8.0/en/myisam-table-problems.html
The file format that MySQL uses to store data has been extensively tested, but there are always circumstances that may cause database tables to become corrupted. The following discussion describes how this can happen and how to handle it.
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-keyring-tables.html
The following sections describe the Performance Schema tables associated with the MySQL keyring (see Section 8.4.4, “The MySQL Keyring”). They provide information about keyring operation: keyring_component_status: Information about the keyring ...
https://dev.mysql.com/doc/refman/8.0/en/sys-schema-tables.html
The following sections describe sys schema tables and triggers. ...
https://dev.mysql.com/doc/refman/8.0/en/replication-options-binary-log.html
For example, DDL statements such as CREATE TABLE and ALTER TABLE are always logged as statements, without regard to the logging format in effect, so the following statement-based rules for --binlog-do-db always apply in determining whether or not ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-index-stat.html
To force them to be created (or updated if they already exist), invoke ndb_index_stat with the --update option, or execute ANALYZE TABLE on the table in the mysql client. --sys-create Command-Line Format --sys-create Create all statistics tables and ... ndb_index_stat provides per-fragment statistical information about indexes on NDB ...This includes cache ...
https://dev.mysql.com/doc/refman/8.0/en/firewall-reference.html
For information about MySQL Enterprise Firewall Information Schema and Performance Schema tables, see Section 28.7, “INFORMATION_SCHEMA MySQL Enterprise Firewall Tables”, and Section 29.12.17, “Performance Schema Firewall Tables”, ...When ...
https://dev.mysql.com/doc/refman/8.0/en/data-dictionary-usage-differences.html
Use of a data dictionary-enabled MySQL server entails some operational differences compared to a server that does not have a data dictionary: Previously, enabling the innodb_read_only system variable prevented creating and dropping tables only for ...The same principle applies to other table operations that require modifying data dictionary ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-operations-per-fragment.html
This currently has the following formats: Base table: DbName/def/TblName BLOB table: DbName/def/NDB$BLOB_BaseTblId_ColNo Ordered index: sys/def/BaseTblId/IndexName Unique index: sys/def/BaseTblId/IndexName$unique The $unique suffix shown for unique ... The operations_per_fragment table provides information about the operations performed on individual fragments and fragment replicas, as well as about some of the results from these ...
https://dev.mysql.com/doc/refman/8.0/en/deleting-from-related-tables.html
If the total length of the DELETE statement for related_table is more than the default value of the max_allowed_packet system variable, you should split it into smaller parts and execute multiple DELETE statements. You probably get the fastest ...
https://dev.mysql.com/doc/refman/8.0/en/table-definition-issues.html
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