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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-params-ndbd.html
MaxNoOfSavedMessages: Maximum number of error messages to write in error log and maximum number of trace files to retain. MaxStartFailRetries: Maximum retries when data node fails on startup, requires StopOnError = 0. RestartOnErrorInsert: Control ... The listings in this section provide information about parameters used in the [ndbd] or [ndbd default] sections of a config.ini file for configuring NDB Cluster data ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-drop-index.html
--core-file Command-Line Format --core-file Write core file on error; used in debugging. It is recommended that you use this utility only as an example for writing NDB API applications—see the Warning later in this section for details. Usage ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndbmtd.html
Trace files are generated by critical errors in ndbmtd processes in a somewhat different fashion from how these are generated by ndbd failures. In the event of a critical error, ndbmtd generates trace files describing what happened just prior to the ... ndbmtd is a multithreaded version of ndbd, the process that is used to handle all the data in tables using the NDBCLUSTER storage ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-management-range-list.html
Adding and dropping of range and list partitions are handled in a similar fashion, so we discuss the management of both sorts of partitioning in this section. For information about working with tables that are partitioned by hash or key, see ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-selection.html
Each name in this list must be the name of an existing partition or subpartition of the specified table; if any of the partitions or subpartitions are not found, the statement fails with an error (partition 'partition_name' doesn't exist). Explicit ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-events-statements-current-table.html
The table stores one row per thread showing the current status of the thread's most recent monitored statement event, so there is no system variable for configuring the table size. Of the tables that contain statement event rows, ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-table-characteristics.html
Many tables in the performance_schema database are read only and cannot be modified: mysql> TRUNCATE TABLE performance_schema.setup_instruments; ERROR 1683 (HY000): Invalid performance_schema usage. The name of the performance_schema database is ...
https://dev.mysql.com/doc/refman/8.4/en/precision-math.html
These features have several implications for numeric operations and provide a high degree of compliance with standard SQL: Precise calculations: For exact-value numbers, calculations do not introduce floating-point errors. Control over handling of ... MySQL provides support for precision math: numeric value handling that results in extremely accurate results and a high degree control over invalid ...
https://dev.mysql.com/doc/refman/8.4/en/rename-user.html
An error occurs for old accounts that do not exist or new accounts that already exist. RENAME USER fails with an error if any account to be renamed is named as the DEFINER attribute for any stored object. (That is, the statement fails if renaming an ... RENAME USER old_user TO new_user [, old_user TO new_user] ...
https://dev.mysql.com/doc/refman/8.4/en/replace.html
As with INSERT, if it is not possible to insert the new row into any of these partitions or subpartitions, the REPLACE statement fails with the error Found a row not matching the given partition set. such statements produce a warning in the error ...