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https://dev.mysql.com/doc/refman/8.4/en/charset-repertoire.html
The repertoire of a character set is the collection of characters in the set. String expressions have a repertoire attribute, which can have two values: ASCII: The expression can contain only ASCII characters; that is, characters in the Unicode ...
https://dev.mysql.com/doc/refman/8.4/en/create-event.html
CREATE [DEFINER = user] EVENT [IF NOT EXISTS] event_name ON SCHEDULE schedule [ON COMPLETION [NOT] PRESERVE] [ENABLE | DISABLE | DISABLE ON {REPLICA | SLAVE}] [COMMENT 'string'] DO event_body; schedule: { AT timestamp [+ INTERVAL interval] ... The ...
https://dev.mysql.com/doc/refman/8.4/en/error-log-configuration.html
In MySQL 8.4, error logging uses the MySQL component architecture described at Section 7.5, “MySQL Components”. The error log subsystem consists of components that perform log event filtering and writing, as well as a system variable that ...
https://dev.mysql.com/doc/refman/8.4/en/faqs-general.html
Why did MySQL version numbering skip versions 6 and 7 and go straight to 8.0? A.1.3. Does MySQL have a NOW() function with fractions of seconds? A.1.7. Which version of MySQL is production-ready (GA)? MySQL 9.5, 8.4, and 8.0 are actively supported ...
https://dev.mysql.com/doc/refman/8.4/en/firewall-reference.html
When enabled, the firewall bases operational decisions on the cached data. The firewall database can be the mysql system database or a custom schema (see Installing MySQL Enterprise Firewall). For information about MySQL Enterprise Firewall ...
https://dev.mysql.com/doc/refman/8.4/en/fulltext-query-expansion.html
Full-text search supports query expansion (and in particular, its variant “blind query expansion”). This is generally useful when a search phrase is too short, which often means that the user is relying on implied knowledge that the full-text ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-functions-for-new-primary.html
The following function enables you to set a member of a single-primary replication group to take over as the primary. The current primary becomes a read-only secondary, and the specified group member becomes the read-write primary. The function can ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-limitations.html
Limit on Group Size Limits on Transaction Size The following known limitations exist for Group Replication. Note that the limitations and issues described for multi-primary mode groups can also apply in single-primary mode clusters during a ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-performance-xcom-cache.html
The group communication engine for Group Replication (XCom, a Paxos variant) includes a cache for messages (and their metadata) exchanged between the group members as a part of the consensus protocol. Among other functions, the message cache is ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-tuning-recovery.html
Several aspects of Group Replication's distributed recovery process can be configured to suit your system. Number of Connection Attempts For state transfer from the binary log, Group Replication limits the number of attempts a joining member makes ...