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https://dev.mysql.com/doc/connector-j/en/connector-j-logging-slf4j.html
Besides its default logger com.mysql.cj.log.StandardLogger, which logs to stderr, Connector/J supports the SLF4J logging facade, allowing end users of applications using Connector/J to plug in logging frameworks of their own choices at deployment ...Popular logging frameworks such as java.util.logging, logback, and log4j are supported by ...
https://dev.mysql.com/doc/refman/8.4/en/added-deprecated-removed.html
old-style-user-limits: Enable old-style user limits (before 5.0.3, user resources were counted per each user+host vs. Options and Variables Introduced in MySQL 8.4 Options and Variables Deprecated in MySQL 8.4 Options and Variables Removed in MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/audit-api-message-emit.html
<COMMAND_CLASS>user</COMMAND_CLASS> <COMPONENT>component_text</COMPONENT> <PRODUCER>producer_text</PRODUCER> <MESSAGE>message_text</MESSAGE> <MAP> <ELEMENT> <KEY>key1</KEY> <VALUE>value1</VALUE> </ELEMENT> <ELEMENT> <KEY>key2</KEY> ... The ...
https://dev.mysql.com/doc/refman/8.4/en/built-in-function-reference.html
The following table lists each built-in (native) function and operator and provides a short description of each one. For a table listing functions that are loadable at runtime, see Section 14.2, “Loadable Function Reference”. ->> Return value ...
https://dev.mysql.com/doc/refman/8.4/en/create-temporary-table.html
One implication of this behavior is that a session can manipulate its temporary tables even if the current user has no privilege to create them. Suppose that the current user does not have the CREATE TEMPORARY TABLES privilege but is able to execute ... You can use the TEMPORARY keyword when creating a ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-frequently-asked-questions.html
How do I set credentials for the distributed recovery process? You can set the user credentials permanently as the credentials for the group_replication_recovery channel, using a CHANGE REPLICATION SOURCE TO statement. User credentials set using ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-session-temp-tablespaces-table.html
The INNODB_SESSION_TEMP_TABLESPACES table provides metadata about session temporary tablespaces used for internal and user-created temporary tables. SLAVE indicates that the tablespace is allocated for storing user-created temporary tables on a ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-introduction.html
For example, Oracle Database users are familiar with querying tables in the Oracle data dictionary. INFORMATION_SCHEMA and Privileges For most INFORMATION_SCHEMA tables, each MySQL user has the right to access them, but can see only the rows in the ... INFORMATION_SCHEMA provides access to database metadata, information about the MySQL server such as the name of a database or table, the data type of a column, or access ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-init-startup-configuration.html
Note InnoDB does not open all user tables and associated data files at startup. InnoDB is a transaction-safe (ACID compliant) storage engine with commit, rollback, and crash-recovery capabilities to protect user data. With regard to InnoDB recovery ... The first decisions to make about InnoDB configuration involve the configuration of data files, log files, page size, and memory buffers, which should be configured before initializing ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-undo-logs.html
Undo logs that reside in the global temporary tablespace are used for transactions that modify data in user-defined temporary tables. An undo log is a collection of undo log records associated with a single read-write transaction. An undo log ...