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https://dev.mysql.com/doc/ndbapi/en/ndb-event.html
Return value The table with which the event is associated—if there is one—as a pointer to a Table object; otherwise, this method returns NULL. Signature void setTable ( const NdbDictionary::Table& table ) You can also use a pointer with this ...
https://dev.mysql.com/doc/relnotes/connector-net/en/news-8-0-21.html
(Bug #31173265) In Connector/NET 8.0.19, calling new MySqlConnection(null) returned NullReferenceException, rather than returning an object with a ConnectionString property equal to String.Empty as the previous versions of Connector/NET did. This ...
https://dev.mysql.com/doc/refman/8.4/en/gis-polygon-property-functions.html
Unless otherwise specified, functions in this section handle their geometry arguments as follows: If any argument is NULL or any geometry argument is an empty geometry, the return value is NULL. ST_Centroid() handles its arguments as described in ...
https://dev.mysql.com/doc/refman/8.4/en/help.html
If X is less than or equal to 0.0E0, the function returns NULL and a warning "Invalid argument for logarithm" is reported. URL: https://dev.mysql.com/doc/refman/8.4/en/mathematical-functions.html Examples: mysql> SELECT LOG(2); -> 0.69314718055995 ... HELP 'search_string' The HELP statement returns online information from the MySQL Reference ...
https://dev.mysql.com/doc/refman/8.4/en/insert.html
Warnings can occur under any of the following conditions: Inserting NULL into a column that has been declared NOT NULL. (For a single-row INSERT, no warning occurs when NULL is inserted into a NOT NULL column. INSERT [LOW_PRIORITY | DELAYED | ...
https://dev.mysql.com/doc/refman/8.4/en/spatial-relation-functions-mbr.html
Unless otherwise specified, functions in this section handle their geometry arguments as follows: If any argument is NULL or an empty geometry, the return value is NULL. MBREquals() handles its arguments as described in the introduction to this ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/writing-authentication-plugins-proxy-users.html
row *************************** USER(): plugin_user1@localhost CURRENT_USER(): plugin_user1@localhost @@proxy_user: NULL @@external_user: NULL Then connect as plugin_user2: $> mysql --user=plugin_user2 --password Enter password: x In this case, ...
https://dev.mysql.com/doc/connectors/en/connector-j-usagenotes-last-insert-id.html
getGeneratedKeys() is the preferred method to use if you need to retrieve AUTO_INCREMENT keys and through JDBC; this is illustrated in the first example below. The second example shows how you can retrieve the same value using a standard SELECT ...
https://dev.mysql.com/doc/heatwave/en/mys-hwaml-ml-model-import.html
The table to import should have the following columns, and their recommended parameters: chunk_id: INT AUTO_INCREMENT PRIMARY KEY model_object: LONGTEXT NOT NULL model_metadata: JSON DEFAULT NULL See Model Metadata. Use the ML_MODEL_IMPORT routine ...
https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-last-insert-id.html
getGeneratedKeys() is the preferred method to use if you need to retrieve AUTO_INCREMENT keys and through JDBC; this is illustrated in the first example below. The second example shows how you can retrieve the same value using a standard SELECT ...