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https://dev.mysql.com/doc/refman/8.0/en/optimizing-innodb-bulk-data-loading.html
COMMIT; The mysqldump option --opt creates dump files that are fast to import into an InnoDB table, even without wrapping them with the SET autocommit and COMMIT statements. For optimal performance when loading data into an InnoDB FULLTEXT index, ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-file-formats.html
The MySQL server calls the audit log plugin to write an audit record to its log file whenever an auditable event occurs. <AUDIT_RECORD> <TIMESTAMP>2019-10-03T14:09:38 UTC</TIMESTAMP> <RECORD_ID>6_2019-10-03T14:06:33</RECORD_ID> <NAME>Query</NAME> ...Typically the first audit record written after plugin startup contains the server description and startup ...
https://dev.mysql.com/doc/refman/8.0/en/example-foreign-keys.html
To demonstrate ON DELETE and ON UPDATE referential actions, drop the child table and recreate it to include ON UPDATE and ON DELETE subclauses with the CASCADE option. MySQL supports foreign keys, which permit cross-referencing related data across ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-quick-start.html
To see the structure of individual tables, use SHOW CREATE TABLE: mysql> SHOW CREATE TABLE performance_schema.setup_consumers\G *************************** 1. row *************************** Table: setup_consumers Create Table: CREATE TABLE ...The ... This section briefly introduces the Performance Schema with examples that show how to use ...
https://dev.mysql.com/doc/refman/8.0/en/myisam-maintenance-schedule.html
It is a good idea to perform table checks on a regular basis rather than waiting for problems to occur. One way to check and repair MyISAM tables is with the CHECK TABLE and REPAIR TABLE statements. It is also a good idea to enable automatic MyISAM ...The -s option (short for --silent) causes myisamchk to run in silent mode, printing messages only when errors ...
https://dev.mysql.com/doc/refman/8.0/en/sys-schema-table-statistics.html
By default, rows are sorted by descending total wait time (tables with most contention first). The schema_table_statistics and x$schema_table_statistics views have these columns: table_schema The schema that contains the table. total_latency The ...
https://dev.mysql.com/doc/refman/8.0/en/connection-control-information-schema-tables.html
The following sections describe the INFORMATION_SCHEMA tables associated with the connection_control plugin.
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-compression-tables.html
There are two pairs of InnoDB INFORMATION_SCHEMA tables about compression that can provide insight into how well compression is working overall: INNODB_CMP and INNODB_CMP_RESET provide information about the number of compression operations and the ...INNODB_CMPMEM and INNODB_CMPMEM_RESET provide information about the way memory is allocated for ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-tables.html
This section covers topics related to InnoDB tables. ...
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.