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https://dev.mysql.com/doc/refman/8.4/en/components.html
MySQL Server includes a component-based infrastructure for extending server capabilities. MySQL distributions include several components that implement server extensions: Components for configuring error logging. For information about the internal ...A component provides services that are available to the server and other ...
https://dev.mysql.com/doc/refman/8.4/en/data-masking-component-variables.html
The MySQL Enterprise Data Masking and De-Identification components support the following system variables. Variables are unavailable unless the appropriate MySQL Enterprise Data Masking and De-Identification components are installed (see Section ...
https://dev.mysql.com/doc/refman/8.4/en/debugging-server.html
If you are using some functionality that is very new in MySQL, you can try to run mysqld with the --skip-new option (which disables all new, potentially unsafe functionality). If mysqld does not want to start, verify that you have no my.cnf files ...You should also read the OS-specific section in this manual for problems that may be unique to your ...
https://dev.mysql.com/doc/refman/8.4/en/downgrading.html
Notes Make sure you understand the MySQL release model for MySQL long-term support (LTS) and Innovation releases before proceeding with a downgrade. A replication topology is downgraded by following the rolling downgrade scheme described at Section ...
https://dev.mysql.com/doc/refman/8.4/en/enterprise-encryption-usage.html
To use MySQL Enterprise Encryption in applications, invoke the functions that are appropriate for the operations you wish to perform. MySQL Enterprise Encryption functions are provided by a MySQL component component_enterprise_encryption. For ...
https://dev.mysql.com/doc/refman/8.4/en/enterprise-encryption.html
Note MySQL Enterprise Encryption is an extension included in MySQL Enterprise Edition, a commercial product. MySQL Enterprise Edition includes a set of encryption functions that expose OpenSSL capabilities at the SQL level. The functions enable ...
https://dev.mysql.com/doc/refman/8.4/en/faqs-migration.html
Where can I find information on how to upgrade or downgrade MySQL? A.8.1. Where can I find information on how to upgrade or downgrade MySQL? For detailed upgrade information, see Chapter 3, Upgrading MySQL. If you encounter problems during the ...Do ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-config-file.html
This file, with which you should be familiar with from previous work with MySQL, must be accessible by each executable running in the cluster. The management server by default creates configuration cache files in a directory named mysql-cluster in ... Configuring NDB Cluster requires working with two files: my.cnf: Specifies options for all NDB Cluster ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-configuration.html
A MySQL server that is part of an NDB Cluster differs in one chief respect from a normal (nonclustered) MySQL server, in that it employs the NDB storage engine. This MySQL server is a part of the cluster, so it also must know how to access a ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-limitations-transactions.html
NDBCLUSTER stores only part of a column value that uses any of MySQL's BLOB or TEXT data types in the table visible to MySQL; the remainder of the BLOB or TEXT is stored in a separate internal table that is not accessible to MySQL. Because the MySQL ... A number of limitations exist in NDB Cluster with regard to the handling of ...