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https://dev.mysql.com/doc/internals/en/implementing-rnd-next-method.html
After the table is initialized, the MySQL server will call the handler's [custom-engine.html#custom-engine-api-reference-rnd_next rnd_next()] method once for every row to be scanned until the server's search condition is satisfied or an end of file ...The rnd_next() method takes a single byte array parameter named ...
https://dev.mysql.com/doc/ndbapi/en/ndbapi-examples-array-simple.html
This program inserts CHAR, VARCHAR, and BINARY column data into a table by constructing aRef objects using local functions. It then reads the columns back and extracts the data from them using local functions. See Section 2.5.15, “Common Files ...
https://dev.mysql.com/doc/heatwave/en/mys-hwaml-ml-score.html
ML_SCORE Syntax mysql> CALL sys.ML_SCORE(table_name, target_column_name, model_handle, metric, score, [options]); options: { JSON_OBJECT("key","value"[,"key","value"] ...) "key","value": { ['threshold', 'N'] ['topk', 'N'] ['remove_seen', ...
https://dev.mysql.com/doc/relnotes/heatwave/en/news-9-4-0.html
Additionally, NL2ML offers a chat-bot interface for follow-up questions and leverages your schemas, tables, and columns to create personalized AutoML queries. (WL #16759) The rpd_nodes performance schema table includes new columns that enable you to ... Note MySQL HeatWave User Guide has been restructured and improved to provide better visibility of high-level ...
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-dbsystem-details.html
Table 3-7 Tabs on the MySQL DB System Details Page Name Description Details DB System details summary. Table 3-8 MySQL DB System Details Summary Field Description General Information Name: The name of the DB System. Table 3-9 MySQL DB System Backup ... MySQL DB System Details 3.5.1 MySQL DB System Details The MySQL DB System Details page has the following ...
https://dev.mysql.com/doc/refman/8.4/en/alter-user.html
For josh, IDENTIFIED BY establishes a new password ('josh_new_password'), REPLACE is specified to verify that the user issuing the ALTER USER statement knows the current password ('josh_current_password'), and that current password is also retained ... ALTER USER [IF EXISTS] user [auth_option] [, user [auth_option]] ...
https://dev.mysql.com/doc/refman/8.4/en/ansi-diff-foreign-keys.html
The MATCH clause in the SQL standard controls how NULL values in a composite (multiple-column) foreign key are handled when comparing to a primary key in the referenced table. In that case, a (child table) row containing such a foreign key can be ...
https://dev.mysql.com/doc/refman/8.4/en/cache-index.html
| ALL } The CACHE INDEX statement assigns table indexes to a specific key cache. However, the implementation assigns all the table's indexes to the cache, so there is no reason to specify anything other than the table name. A key cache must exist ...
https://dev.mysql.com/doc/refman/8.4/en/charset-unicode-conversion.html
In terms of table content, conversion from utf8mb3 to utf8mb4 presents no problems: For a BMP character, utf8mb4 and utf8mb3 have identical storage characteristics: same code values, same encoding, same length. In terms of table structure, these are ... This section describes issues that you may face when converting character data between the utf8mb3 and utf8mb4 character ...
https://dev.mysql.com/doc/refman/8.4/en/charset-unicode-sets.html
utf8mb3 is also displayed in place of utf8 in columns of Information Schema tables, and in the output of SQL SHOW statements. To determine the pad attribute for a collation, use the INFORMATION_SCHEMA COLLATIONS table, which has a PAD_ATTRIBUTE ...