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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/internals/en/x-protocol-messages-messages.html
BYTES x x x GEOMETRY BYTES TIME TIME x DATE DATETIME x DATETIME DATETIME x YEAR UINT x x TIMESTAMP DATETIME x SET SET x ENUM ENUM x NULL BYTES BIT BIT x Note The SQL "NULL" value is sent as an empty field value in Row. The length of the string can ... Topics in this section: Message Structure Message Sequence Common Messages Connection Session Expectations CRUD SQL Result Sets Expressions Data Types This section provides detailed information about how X Protocol defines ...
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-ndb-cluster-connection.html
Signature const Ndb* get_next_ndb_object ( const Ndb* p ) Parameters This method takes a single parameter, a pointer to the last Ndb object to have been retrieved or NULL. Return value Returns the next Ndb object, or NULL if no more Ndb objects are ... This section provides information about the Ndb_cluster_connection class, which models a connection by a management server (ndb_mgmd) to a set of data ...
https://dev.mysql.com/doc/ndbapi/en/ndb-ndbscanoperation.html
Return value This method returns a pointer to an NdbOperation object, or NULL. If no options are required, then NULL may be passed as the ScanOptions pointer. If no attributes are to be read, set this equal to NULL. NdbScanOperation Class Overview ...
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/x-devapi-userguide-shell-js/en/collection-modify.html
The modify(SearchConditionStr) function is for modifying documents in a collection, similar to an UPDATE statement for an SQL database. It takes a search condition string (SearchConditionStr) as a parameter to specify the documents that are to be ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-airportdb-quickstart.html
mysql-sql> CALL sys.heatwave_load(JSON_ARRAY('airportdb'), NULL); For information about the Auto Parallel Load utility, see Section 4.2.5, “Load Data Using Auto Parallel Load”. The MySQL HeatWave airportdb Quickstart shows how to import data ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-auto-unload.html
Alternatively, including no options with NULL also runs the command in normal mode. mysql> CALL sys.heatwave_unload_all (NULL); Auto Unload Examples Unload three specific tables from a single database with default options. mysql> CALL ... You can ...
https://dev.mysql.com/doc/heatwave/en/mys-hwaml-ml-predict-row.html
mysql> SET @row_input = JSON_OBJECT( "age", 25, "workclass", "Private", "fnlwgt", 226802, "education", "11th", "education-num", 7, "marital-status", "Never-married", "occupation", "Machine-op-inspct", "relationship", "Own-child", "race", "Black", ...