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https://dev.mysql.com/doc/refman/8.4/en/innodb-buffer-pool-resize.html
| +----------------------------------+----------------------------------+ You can also monitor an online buffer pool resizing operation using the Innodb_buffer_pool_resize_status_code and Innodb_buffer_pool_resize_status_progress status variables, ... You can configure InnoDB buffer pool size offline or while the server is ...
https://dev.mysql.com/doc/refman/8.4/en/group-by-functional-dependence.html
In each case, this relationship applies: {cl.CountryCode} -> {co.Code} cl.CountryCode is itself functionally dependent on {cl.CountryCode, cl.Language} which is a primary key. If in the join result co.Code is NULL-complemented, co.Name is as well.
https://dev.mysql.com/doc/refman/8.4/en/glossary.html
Because the interceptor code is only called when SQL statements return errors, it does not impose any performance penalty on the application during normal (error-free) operation. SQLState An error code defined by the JDBC standard, for exception ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-0.html
(Bug #36267545) Added a new error message for the case when a timeout is detected in net_read_raw_loop() rather than in the thread pool code. (Bug #36301441) Audit log filtering by type, using error as the type, did not work correctly. The Audit Log ...(Bug #36142157) Following an unplanned shutdown and restart, the file that was in use by the server for writing at the time may be broken or otherwise ...
https://dev.mysql.com/doc/refman/8.4/en/signal.html
At the SQL level, the output from SHOW WARNINGS and SHOW ERRORS indicates the MYSQL_ERRNO and MESSAGE_TEXT values in the Code and Message columns. SIGNAL provides error information to a handler, to an outer portion of the application, or to the ...
https://dev.mysql.com/doc/x-devapi-userguide/en/processing-warnings.html
"standard transaction handling" C++ Code /* Connector/C++ does not yet provide access to transaction warnings -- Session methods commit() and rollback() do not return a result object. Similar to the execution of single statements committing or ...
https://dev.mysql.com/doc/refman/8.4/en/replication-options-replica.html
--slave-skip-errors=[err_code1,err_code2,...|all|ddl_exist_errors] Command-Line Format --slave-skip-errors=name Deprecated Yes System Variable slave_skip_errors Scope Global Dynamic No SET_VAR Hint Applies No Type String Default Value OFF Valid ...
https://dev.mysql.com/doc/x-devapi-userguide/en/working-with-sql-result-sets.html
The method is useful when code is to be written that has no knowledge about the origin of an SqlResult. System.out.println("Rows affected: " + res.getAffectedItemsCount()); } } print_result(mySession.sql("DELETE FROM users WHERE age < ... When you ...
https://dev.mysql.com/doc/ndbapi/en/ndb-ndb.html
(Bug #16484617) Return value 0 on success, an error code on failure. To obtain the error matching a specific errorCode, invoke the method passing the code (an int) to it as a parameter. For a listing of NDB API error codes and corresponding error ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbd-definition.html
If the checkpointing is slow and there are so many writes to the database that the log files are full and the log tail cannot be cut without jeopardizing recovery, all updating transactions are aborted with internal error code 410 (Out of log file ...(NDB 8.4.0) This parameter specifies the directory where trace files, log files, pid files and error logs are ...