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https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-ai-aml-using-a-recommendation-model-users-to-items.html
For the option to set the user name, you can set it to NULL. mysql> CALL sys.ML_MODEL_LOAD(@model, NULL); The following example uses the model handle. mysql> CALL sys.ML_MODEL_LOAD('recommendation_use_case', NULL); Make predictions for the test ...
https://dev.mysql.com/doc/x-devapi-userguide/en/dynamic-sql.html
A quoting function exists to escape SQL names and identifiers. Session.quoteName() escapes the identifier given in accordance to the settings of the current connection. Note The quoting function must not be used to escape values. Use the value ...
https://dev.mysql.com/doc/refman/8.4/en/optimizer-statistics.html
Here is a sample histogram object: { "buckets": [ [ 1, 0.3333333333333333 ], [ 2, 0.6666666666666666 ], [ 3, 1 ] ], "null-values": 0, "last-updated": "2017-03-24 13:32:40.000000", "sampling-rate": 1, "histogram-type": "singleton", ... The ...
https://dev.mysql.com/doc/connectors/en/connector-j-usagenotes-statements.html
Once you have a Statement instance, you can execute a SELECT query by calling the executeQuery(String) method with the SQL you want to use. To update data in the database, use the executeUpdate(String SQL) method. If you do not know ahead of time ...
https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-statements.html
Once you have a Statement instance, you can execute a SELECT query by calling the executeQuery(String) method with the SQL you want to use. To update data in the database, use the executeUpdate(String SQL) method. If you do not know ahead of time ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-statistics-table.html
This can have values A (ascending), D (descending), or NULL (not sorted). That is, the number of indexed characters if the column is only partly indexed, NULL if the entire column is indexed. However, prefix lengths for index specifications in ...
https://dev.mysql.com/doc/refman/8.4/en/spatial-geojson-functions.html
mysql> SELECT ST_AsGeoJSON(ST_GeomFromText('POINT(11.11111 12.22222)'),2); +-------------------------------------------------------------+ | ST_AsGeoJSON(ST_GeomFromText('POINT(11.11111 12.22222)'),2) | ... This section describes functions for ...
https://dev.mysql.com/doc/internals/en/myisam-introduction.html
Record Header The minimal record header is a set of flags: "X bit" = 0 if row is deleted, = 1 if row is not deleted "Null Bits" = 1 if row contains any null fields, or = 0 otherwise. "Filler Bits" = 1 The length of the record header is thus: (1 + ...
https://dev.mysql.com/doc/ndbapi/en/mgm-functions-error-handling.html
Prior to NDB 7.4.8, this function was not safe for use with NULL. In later versions, ndb_mgm_get_latest_error() is null-safe but returns an arbitrary value. Prior to NDB 7.4.8, this function was not safe for use with NULL. In later versions, ...
https://dev.mysql.com/doc/ndbapi/en/ndb-ndbscanoperation.html
See Scans with exclusive locks, for information about multiple threads attempting to perform the same scan with an exclusive lock and how this can affect closing the scans. Return value This method returns a pointer to an NdbOperation object, or ...