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https://dev.mysql.com/doc/refman/8.4/en/working-with-null.html
The NULL value can be surprising until you get used to it. Conceptually, NULL means “a missing unknown value” and it is treated somewhat differently from other values. In MySQL, 0 or NULL means false and anything else means true. This special ...
https://dev.mysql.com/doc/refman/8.4/en/x-plugin-system-monitoring.html
For general X Plugin monitoring, use the status variables that it exposes. For information specifically about monitoring the effects of message compression, see Monitoring Connection Compression for X Plugin. Monitoring SQL Generated by X Plugin ...
https://dev.mysql.com/doc/refman/8.4/en/xa-states.html
An XA transaction progresses through the following states: Use XA START to start an XA transaction and put it in the ACTIVE state. For an ACTIVE XA transaction, issue the SQL statements that make up the transaction, and then issue an XA END ...
https://dev.mysql.com/doc/refman/8.4/en/xml-functions.html
Table 14.16 XML Functions Name Description ExtractValue() Extract a value from an XML string using XPath notation UpdateXML() Return replaced XML fragment This section discusses XML and related functionality in MySQL. Note It is possible to obtain ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-5.html
(Bug #37570206) Audit Log Notes <COMMAND_CLASS> was not populated for <NAME>Execute</NAME>. (Bug #36686351) Compilation Notes Group Replication: The OpenSSL Engine interface is deprecated, and is no longer being included in OpenSSL v3 main packages ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-6.html
Note These release notes were created with the assistance of MySQL HeatWave GenAI. Compilation Notes Configuration Notes InnoDB Notes Installation Notes Functionality Added or Changed Bugs Fixed Compilation Notes macOS: It is now possible to ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/advanced.encrypted-binlog-relaylog.html
MySQL Enterprise Backup supports encrypted binary and relay logs, which are handled in a similar way as the encrypted InnoDB tables are (see Chapter 6, Working with Encrypted InnoDB Tablespaces for details). mysqlbackup then copies over from the ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/advanced.point.html
You can restore your database server to its state at an arbitrary time using the binary log files included in the backups. The process assumes that following conditions are met: The backed-up MySQL Server has had its binary logging enabled (which ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/backup-cloud-options.html
These options are for using cloud storage for single-file operations. See Section 4.3.1.3, “Backing Up to Cloud Storage”, and Section 5.2, “Restoring a Backup from Cloud Storage to a MySQL Server”, for more information and instructions on ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/index.html
Abstract This is the user manual for MySQL Enterprise Backup, a commercially licensed backup utility for MySQL databases. It explains the different kinds of backup and restore that can be performed with MySQL Enterprise Backup, and describes the ...