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https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-hw-intro.html
MySQL HeatWave 1.1 MySQL HeatWave MySQL HeatWave is a massively parallel, high performance, in-memory query accelerator that accelerates MySQL performance by orders of magnitude for analytics and mixed workloads. With MySQL HeatWave, you can ...
https://dev.mysql.com/doc/connector-j/en/connecting-using-kerberos.html
Kerberos is a ticket-based server-client mutual authentication protocol that is supported by the MySQL Server (commercial versions only) . Support for Kerberos is implemented by Connector/J using the GSS-API, JAAS API, and JCA API; providers for ...
https://dev.mysql.com/doc/connector-j/en/connector-j-connp-props-high-availability-and-clustering.html
autoReconnect Should the driver try to re-establish stale and/or dead connections? If enabled the driver will throw an exception for queries issued on a stale or dead connection, which belong to the current transaction, but will attempt reconnect ...
https://dev.mysql.com/doc/connector-j/en/connector-j-connp-props-statements.html
This results in better performance when dealing with time zone conversions in Date and Time data types, however it won't be aware of time zone changes if they happen at runtime. Default Value true Since Version 8.0.20 continueBatchOnError Should the ...
https://dev.mysql.com/doc/connector-j/en/connector-j-connp-props-x-protocol-and-x-devapi.html
If the property is not set, the mechanism is chosen depending on the connection type: "PLAIN" is used for TLS connections and "SHA256_MEMORY" or "MYSQL41" is used for unencrypted connections. Default Value PLAIN Since Version 8.0.8 ...
https://dev.mysql.com/doc/refman/8.4/en/adding-collation-choosing-id.html
To add a collation, you must choose an ID value that is not currently used. The range of IDs from 1024 to 2047 is reserved for user-defined collations. The collation ID that you choose appears in these contexts: The ID column of the Information ...
https://dev.mysql.com/doc/refman/8.4/en/charset-gb18030.html
In MySQL, the gb18030 character set corresponds to the Chinese National Standard GB 18030-2005: Information technology — Chinese coded character set, which is the official character set of the People's Republic of China (PRC). Characteristics of ...
https://dev.mysql.com/doc/refman/8.4/en/charset-national.html
Standard SQL defines NCHAR or NATIONAL CHAR as a way to indicate that a CHAR column should use some predefined character set. For example, these data type declarations are equivalent: CHAR(10) CHARACTER SET utf8 NATIONAL CHARACTER(10) NCHAR(10) As ...
https://dev.mysql.com/doc/refman/8.4/en/commands-out-of-sync.html
If you get Commands out of sync; you can't run this command now in your client code, you are calling client functions in the wrong order. This can happen, for example, if you are using mysql_use_result() and try to execute a new query before you ...
https://dev.mysql.com/doc/refman/8.4/en/example-maximum-column-group.html
SELECT article, MAX(price) AS price FROM shop GROUP BY article ORDER BY article; +---------+-------+ | article | price | +---------+-------+ | 0001 | 3.99 | | 0002 | 10.99 | | 0003 | 1.69 | | 0004 | 19.95 | +---------+-------+ .