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https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/mysqlbackup-os-user.html
To ensure no file permission issues prevent a server to be backed up, restored, and restarted successfully, it is highly recommended that you run mysqlbackup with the same OS user who runs the MySQL server (typically mysql). Note For Linux and other ... For Linux and other Unix-like platforms: mysqlbackup does not record file ownership or permissions of the files that are backed ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-19.html
It is suitable for use with MySQL Server versions 8.0, 5.7, and 5.6. This patch adjusts Connector/J to those recent changes of MySQL Server and, as a result, DatabaseMetaData, ParameterMetaData, and ResultSetMetaData now report identical results for ... Version 8.0.19 is the latest General Availability release of the 8.0 series of MySQL ...
https://dev.mysql.com/doc/mysql-router/9.4/en/mysql-router-general-features-connection-routing.html
Connection routing means redirecting MySQL connections to an available MySQL server. Applications connect to MySQL Router and not directly to MySQL Server, and if the connection fails then applications are designed to retry the connection because ...For an example deployment using basic connection routing, see Section 3.3, “Basic Connection ...
https://dev.mysql.com/doc/c-api/8.4/en/c-api-introduction.html
The C API provides low-level access to the MySQL client/server protocol and enables C programs to access database contents. Most other client APIs use the libmysqlclient library to communicate with the MySQL server. (Exceptions are Connector/J and ...The C API code is distributed with MySQL and implemented in the libmysqlclient ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-overview.html
These processes, known as nodes, may include MySQL servers (for access to NDB data), data nodes (for storage of the data), one or more management servers, and possibly other specialized data access programs. NDB Cluster integrates the standard MySQL ... NDB Cluster is a technology that enables clustering of in-memory databases in a shared-nothing ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-statement-summary-tables.html
Stored Program Instrumentation Behavior For stored program types for which instrumentation is enabled in the setup_objects table, events_statements_summary_by_program maintains statistics for stored programs as follows: A row is added for an object ...The QUERY_SAMPLE_TEXT, QUERY_SAMPLE_SEEN, and QUERY_SAMPLE_TIMER_WAIT columns also are neither grouping nor summary columns; they support statement sampling.) The maximum number of rows in the table is autosized at server ...
https://dev.mysql.com/doc/connectors/en/connector-cpp-authentication.html
con->close(); Kerberos Authentication Kerberos authentication enables Connector/C++ application programs to establish connections for accounts that use the authentication_kerberos server-side authentication plugin, provided that the correct Kerberos ...LDAP authentication requires use of a server from a MySQL Enterprise Edition ...For more ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-transaction-tables.html
Configuring Transaction Event Collection Transaction Boundaries Transaction Instrumentation Transactions and Nested Events Transactions and Stored Programs Transactions and Savepoints Transactions and Errors Configuring Transaction Event Collection ...Within the event hierarchy, wait events nest within stage events, which nest within statement events, which nest within transaction ...
https://dev.mysql.com/doc/mysql-errors/8.4/en/error-reference-introduction.html
The MySQL client library takes errors received from the server and makes them available to the host client program. Error messages that are shared between the server and the client library: Chapter 4, Global Error Message Reference Some “global” ...The MySQL server writes some error messages to its error ...These indicate issues of ...
https://dev.mysql.com/doc/mysql-installer/en/mysql-installer.html
It is downloaded with and supports the following MySQL products: MySQL Servers MySQL Installer can install and manage multiple, separate MySQL server instances on the same host at the same time. MySQL Installer does not permit server upgrades ...