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https://dev.mysql.com/doc/refman/5.7/en/keyring-encrypted-file-plugin.html
Note The keyring_encrypted_file plugin is an extension included in MySQL Enterprise Edition, a commercial product. The keyring_encrypted_file keyring plugin stores keyring data in an encrypted, password-protected file local to the server host.
https://dev.mysql.com/doc/refman/5.7/en/character-arrays.html
Each simple character set has a configuration file located in the sql/share/charsets directory. For a character set named MYSYS, the file is named MYSET.xml. <map> elements appear within these elements: <ctype> defines attributes for each character. <collation> elements indicate character ordering for comparison and sorting, one element per ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-temp-table-info-table.html
The INNODB_TEMP_TABLE_INFO table provides information about user-created InnoDB temporary tables that are active in an InnoDB instance. It does not provide information about internal InnoDB temporary tables used by the optimizer. The ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-events-stages-current-table.html
For discussion of picoseconds as the unit for event times and factors that affect time values, see Section 25.4.1, “Performance Schema Event Timing”. For example, the events_stages_history and events_stages_history_long tables are collections of ...The table stores one row per thread showing the current status of the thread's most recent monitored stage event, so there is no system variable for configuring the table ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-performance-use_sys_malloc.html
When InnoDB was developed, the memory allocators supplied with operating systems and run-time libraries were often lacking in performance and scalability. At that time, there were no memory allocator libraries tuned for multi-core CPUs. Therefore, ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-cmp-per-index-table.html
COMPRESS_TIME The total time in seconds used for compressing data in this index. UNCOMPRESS_TIME The total time in seconds used for uncompressing data in this index. For a compressed InnoDB table, both the table data and all the secondary indexes ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-introduction.html
InnoDB is a general-purpose storage engine that balances high reliability and high performance. Unless you have configured a different default storage engine, issuing a CREATE TABLE statement without an ENGINE clause creates an InnoDB table. Key ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-innodb-cluster-introduction.html
An InnoDB Cluster usually runs in a single-primary mode, with one primary instance (read-write) and multiple secondary instances (read-only). This chapter introduces MySQL InnoDB Cluster, which combines MySQL technologies to enable you to deploy ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-reference.html
The password is fetched from the MySQL keyring, which must be enabled or an error occurs. Return value: The password string for success (up to 766 bytes), or NULL and an error for failure. Current sessions are no longer logged unless they disconnect ...Unless those objects are installed, the audit_log plugin operates in legacy ...
https://dev.mysql.com/doc/refman/5.7/en/expired-password-handling.html
For any operation not permitted within the session, the server returns an ER_MUST_CHANGE_PASSWORD error: mysql> USE performance_schema; ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement. If ... MySQL provides password-expiration capability, which enables database administrators to require that users reset their ...