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https://dev.mysql.com/doc/refman/8.4/en/fulltext-restrictions.html
Full-text searches are supported for InnoDB and MyISAM tables only. The exception is that for Unicode, the utf8mb3 or utf8mb4 character set can be used, but not the ucs2 character set. Although FULLTEXT indexes on ucs2 columns cannot be used, you ...
https://dev.mysql.com/doc/refman/8.4/en/fulltext-search-mecab.html
The built-in MySQL full-text parser uses the white space between words as a delimiter to determine where words begin and end, which is a limitation when working with ideographic languages that do not use word delimiters. To address this limitation ...
https://dev.mysql.com/doc/refman/8.4/en/fulltext-search-ngram.html
The built-in MySQL full-text parser uses the white space between words as a delimiter to determine where words begin and end, which is a limitation when working with ideographic languages that do not use word delimiters. To address this limitation, ...
https://dev.mysql.com/doc/refman/8.4/en/general-tablespaces.html
A general tablespace is a shared InnoDB tablespace that is created using CREATE TABLESPACE syntax. The server keeps tablespace metadata in memory for the lifetime of a tablespace. Multiple tables in fewer general tablespaces consume less memory for ...
https://dev.mysql.com/doc/refman/8.4/en/gis-data-formats.html
Two standard spatial data formats are used to represent geometry objects in queries: Well-Known Text (WKT) format Well-Known Binary (WKB) format Internally, MySQL stores geometry values in a format that is not identical to either WKT or WKB format.
https://dev.mysql.com/doc/refman/8.4/en/group-replication-change-primary.html
To allow inspection of the primary while the function is operating, single statements that do not modify data, as listed in Permitted Queries Under Consistency Rules, are permitted to proceed. This section explains how to change which member of a ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-functions-for-new-primary.html
To allow inspection of the primary while the function is operating, single statements that do not modify data, as listed in Permitted Queries Under Consistency Rules, are permitted to proceed. The following function enables you to set a member of a ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-observability.html
The entire state of the system (including the view, conflict statistics and service states) can be queried through Performance Schema tables. There is a lot of automation built into the Group Replication plugin. Nonetheless, you might sometimes ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-performance-xcom-cache-reduce.html
The minimum setting for the XCom message cache size in MySQL 8.4 is 128 MB, which enables deployment on a host that has a restricted amount of available memory. Having a very low group_replication_message_cache_size setting is not recommended if ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-replication-group-members.html
The information is shared between all the server instances that are members of the replication group, so information on all the group members can be queried from any member. The performance_schema.replication_group_members table is used for ...