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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbd-definition.html
If EnablePartialLcp is disabled (false), each LCP uses only a single file and writes a full checkpoint; this requires the least amount of disk space for LCPs, but increases the write load for each LCP. Setting this parameter to false also disables ... The [ndbd] and [ndbd default] sections are used to configure the behavior of the cluster's data ...
https://dev.mysql.com/doc/refman/8.0/en/json-modification-functions.html
mysql> SELECT JSON_MERGE('[1, 2]', '[true, false]'); +---------------------------------------+ | JSON_MERGE('[1, 2]', '[true, false]') | +---------------------------------------+ | [1, 2, true, false] | +---------------------------------------+ 1 ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-filter-definitions.html
Without log specified, logging is true if no class or event item is specified, and false otherwise (in which case, class or event can include their own log item). For example: "event": { "name": qualifying event subclass names "abort": condition } ...For information about using JSON data in MySQL, see Section 13.5, “The JSON Data ...
https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
For integer data types, M indicates the minimum display width. Display width is unrelated to the range of values a type can store, as described in Section 13.1.6, “Numeric Type Attributes”. For floating-point and fixed-point data types, M is ...
https://dev.mysql.com/doc/refman/8.0/en/json.html
You can compare the results shown by this query: mysql> SELECT -> JSON_MERGE_PRESERVE('[1, 2]', '["a", "b", "c"]', '[true, false]') AS Preserve, -> JSON_MERGE_PATCH('[1, 2]', '["a", "b", "c"]', '[true, false]') AS Patch\G *************************** ...The JSON data type provides these advantages over storing JSON-format strings in a string column: Automatic validation of JSON documents stored in JSON ...
https://dev.mysql.com/doc/refman/8.0/en/tracing-example.html
Now we can examine the trace, whose first column (QUERY), containing the original statement to be traced, is shown here: SELECT * FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE\G *************************** 1. row *************************** QUERY: SELECT ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-nutshell.html
One visible effect of this change is that, for Boolean values, EXPLAIN output now shows true and false, rather than 1 and 0. JSON_SCHEMA_VALID() returns TRUE (1) if the document validates against the schema and FALSE (0) if it does not. If they ...
https://dev.mysql.com/doc/refman/8.0/en/ibd2sdi.html
ibd2sdi Options ibd2sdi supports the following options: --help, -h Command-Line Format --help Type Boolean Default Value false Display a help message and exit. ibd2sdi --dump-file=file_name ../data/test/t1.ibd --skip-data, -s Command-Line Format ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-options-variables.html
--ndb-log-fail-terminate Command-Line Format --ndb-log-fail-terminate Introduced 8.0.21-ndb-8.0.21 System Variable ndb_log_fail_terminate Scope Global Dynamic No SET_VAR Hint Applies No Type Boolean Default Value FALSE When this option is specified, ... This section provides information about MySQL server options, server and status variables that are specific to NDB ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-tcp-definition.html
Connection parameters which can be set in [tcp] and [tcp default] sections of the config.ini file are listed here: AllowUnresolvedHostNames Version (or later) NDB 8.0.22 Type or units boolean Default false Range true, false Added NDB 8.0.22 Restart ... TCP/IP is the default transport mechanism for all connections between nodes in an NDB ...