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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-move-data.html
--character-sets-dir=name Command-Line Format --character-sets-dir=path Type String Default Value [none] Directory where character sets are. --connect-string Command-Line Format --connect-string=connection_string Type String Default Value [none] ...
https://dev.mysql.com/doc/refman/8.4/en/telemetry-trace-configuration.html
telemetry.otel_exporter_otlp_traces_client_key System Variable telemetry.otel_exporter_otlp_traces_client_key Scope Global Dynamic No SET_VAR Hint Applies No Type String Default Value Client's private key in PEM format. Server Configuration Client ...
https://dev.mysql.com/doc/refman/8.4/en/macos-installation-launchd.html
macOS uses launch daemons to automatically start, stop, and manage processes and applications such as MySQL. The md5 checksum of a file containing the above snippet is d925f05f6d1b6ee5ce5451b596d6baed. To enable the launchd service, you can either: ...
https://dev.mysql.com/doc/internals/en/optimizer-eliminating-dead-code.html
If a column cannot be NULL, the optimizer removes any non-relevant IS NULL conditions. Thus, WHERE not_null_column IS NULL is an always-false situation, and WHERE not_null_column IS NOT NULL is an always-true situation — so such columns are also ... A transformation takes place for conditions that are always true, for example: WHERE 0=0 AND column1='y' In this case, the first condition is removed, leaving WHERE column1='y' See: /sql/sql_select.cc, ...
https://dev.mysql.com/doc/ndbapi/en/mccj-using-clusterj-tables.html
ClusterJ's main purpose is to read, write, and update row data in an existing database, rather than to perform DDL. You can create the employee table that matches this interface, using the following CREATE TABLE statement, in a MySQL client ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-event-handling.html
The source code for this program may be found in the NDB Cluster source tree, in the file storage/ndb/ndbapi-examples/ndbapi_event/ndbapi_event.cpp. #include <NdbApi.hpp> // Used for cout #include <stdio.h> #include <iostream> #include <unistd.h> ...
https://dev.mysql.com/doc/ndbapi/en/ndb-ndbrecattr.html
NdbRecAttr Class Overview ~NdbRecAttr() NdbRecAttr::aRef() NdbRecAttr::char_value() NdbRecAttr::clone() NdbRecAttr::double_value() NdbRecAttr::float_value() NdbRecAttr::get_size_in_bytes() NdbRecAttr::getColumn() NdbRecAttr::getType() ...An ...
https://dev.mysql.com/doc/heatwave/en/mys-hwaml-model-sharing.html
For example: mysql> CALL sys.ML_MODEL_IMPORT(NULL, JSON_OBJECT('schema', 'ML_SCHEMA_admin', 'table', 'model_export'), @bank_export); NULL means that a model from a table is imported, and not a model object. mysql> CALL ... This topic describes how ...
https://dev.mysql.com/doc/refman/8.4/en/create-table-secondary-indexes.html
row *************************** id: 1 select_type: SIMPLE table: jemp partitions: NULL type: range possible_keys: i key: i key_len: 5 ref: NULL rows: 2 filtered: 100.00 Extra: Using where 1 row in set, 1 warning (0.00 sec) mysql> SHOW WARNINGS\G ...
https://dev.mysql.com/doc/refman/8.4/en/numeric-type-attributes.html
When you insert a value of NULL into an indexed AUTO_INCREMENT column, the column is set to the next sequence value. (AUTO_INCREMENT sequences begin with 1.) Storing 0 into an AUTO_INCREMENT column has the same effect as storing NULL, unless the ...