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https://dev.mysql.com/doc/heatwave/en/mys-hw-genai-rag.html
As of MySQL 9.2.1, for context retrieval, the ML_RAG routine uses the name of the embedding model used to embed the input query to find relevant vector store tables that contain vector embeddings from the same embedding model. The examples in this ... The ML_RAG routine runs retrieval-augmented generation which aims to generate more accurate responses for your ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo.html
This database contains a number of tables, each providing a different sort of data about NDB Cluster node status, resource usage, and operations. You can find more detailed information about each of these tables in the next several sections. ndbinfo ... ndbinfo is a database containing information specific to NDB ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/writing-information-schema-plugins.html
This section describes how to write a server-side INFORMATION_SCHEMA table plugin. To write an INFORMATION_SCHEMA table plugin, include the following header files in the plugin source file. #include <sql_class.h> #include <table.h> These header ...
https://dev.mysql.com/doc/refman/8.4/en/external-locking.html
External locking is the use of file system locking to manage contention for MyISAM database tables by multiple processes. External locking is used in situations where a single process such as the MySQL server cannot be assumed to be the only ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-online-add-node-remarks.html
The ability to add new nodes online includes a means to reorganize NDBCLUSTER table data and indexes so that they are distributed across all data nodes, including the new ones, by means of the ALTER TABLE ... Table reorganization of both in-memory ... This section provides general information about the behavior of and current limitations in adding NDB Cluster nodes ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-selection.html
This option always follows the name of the table to which the partition or partitions belong. Each name in this list must be the name of an existing partition or subpartition of the specified table; if any of the partitions or subpartitions are not ... Explicit selection of partitions and subpartitions for rows matching a given WHERE condition is ...
https://dev.mysql.com/doc/refman/8.4/en/storage-requirements.html
InnoDB Table Storage Requirements NDB Table Storage Requirements Numeric Type Storage Requirements Date and Time Type Storage Requirements String Type Storage Requirements Spatial Type Storage Requirements JSON Storage Requirements The storage ...
https://dev.mysql.com/doc/refman/8.4/en/time-zone-support.html
This section describes the time zone settings maintained by MySQL, how to load the system tables required for named time support, how to stay current with time zone changes, and how to enable leap-second support. Time Zone Variables Populating the ...Time zone offsets are also supported for inserted datetime values; see Section 13.2.2, “The DATE, DATETIME, and TIMESTAMP Types”, for more ...
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-relnotes.html
MySQL 8.4.6 is a new release of the 8.4 LTS (Long Term Support) series, which focuses on security and bug fixes and are recommended for customers who prefer established behavior. MySQL 8.0.43 is a new release of the 8.0 BugFix series, which focuses ... Release Notes 23 Release Notes Release notes for MySQL HeatWave on AWS 2025-08-20: Storage Resizing for High Availability DB Systems It is now possible to resize the storage of high availability DB ...
https://dev.mysql.com/doc/internals/en/files-in-innodb-sources.html
My-Comments For example: "\ha (HASHING) File Name What Name Stands For Size Comment Inside File --------- -------------------- ------ ------------------- ha0ha.c Hashing/Hashing 8,145 Hash table with external chains Comments about hashing will be ...