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https://dev.mysql.com/doc/refman/8.4/en/hash-joins.html
When the memory required for a hash join exceeds the amount available, MySQL handles this by using files on disk. It is possible to control whether hash joins are employed using one of the BNL and NO_BNL optimizer hints, or by setting ...
https://dev.mysql.com/doc/refman/8.4/en/privileges-provided.html
That is, components could, but do not, unregister at any time privileges they register.) No warning or error occurs for attempts to register an already registered dynamic privilege. For the second INSTALL COMPONENT statement, the component ... The ...
https://dev.mysql.com/doc/relnotes/connector-cpp/en/news-8-0-20.html
If compression is required, compression algorithm negotiation occurs as for preferred mode, but if no common algorithm is available, the connection request terminates with an error. To avoid CPU inefficiency, data packets are not compressed even ...
https://dev.mysql.com/doc/heatwave/en/mys-hwaml-learn-with-genai.html
The table used to train a model cannot exceed 10 GB in size, 100 million rows, or 1017 columns."} | ... Available as of MySQL 9.4.0, the NL2ML routine enables you to learn about MySQL HeatWave AutoML by leveraging Oracle Cloud Infrastructure ...
https://dev.mysql.com/doc/heatwave/en/mys-hwaml-limitations.html
Memory Limitations The table used to train a model cannot exceed 10 GB, 100 million rows, or 1017 columns. ML_TRAIN will fail to run and raises an error if it attempts to train a model larger than this. Text Handling Limitations MySQL HeatWave ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-lakehouse-auto-loading-data.html
| | | | Warning: Executing the generated script may alter column definitions and secondary engine flags in the schema | | | | Using SQL_MODE: ...If there are no issues or errors in the summary, you can run the HEATWAVE_LOAD command again in normal ... After setting up an external table with the files to load into the table, you run HEATWAVE_LOAD command to automatically create the table and load the ...
https://dev.mysql.com/doc/mysql-monitor/8.0/en/mem-qanal-using-ui.html
Statements with Max Exec Time Over 1 Second: filters on the advanced filter options of Max Exec Time > 1. Prepared Statements: filters on statements of type PREPARE, EXECUTE, and DEALLOCATE. Replication Statements: filters on statements of type ...
https://dev.mysql.com/doc/ndbapi/en/overview-synchronous-transactions.html
Synchronous transactions are defined and executed as follows: Begin (create) the transaction, which is referenced by an NdbTransaction object typically created using Ndb::startTransaction(). To execute several synchronous transactions in parallel, ...At this point, the transaction is merely being defined; it is not yet sent to the NDB ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-prepared-statements-instances-table.html
COUNT_EXECUTE, SUM_TIMER_EXECUTE, MIN_TIMER_EXECUTE, AVG_TIMER_EXECUTE, MAX_TIMER_EXECUTE Aggregated statistics for executions of the prepared statement. MAX_CONTROLLED_MEMORY Reports the maximum amount of controlled memory used by a prepared ...C ... The Performance Schema provides instrumentation for prepared statements, for which there are two protocols: The binary ...
https://dev.mysql.com/doc/workbench/en/wb-audit-inspector.html
To activate the audit_log plugin manually using mysql, load the plugin code from the library file at runtime with the INSTALL PLUGIN statement. Each record includes a record ID, timestamp, type, connection ID, user, host/IP, status, command class, ... MySQL Workbench offers a graphical interface to MySQL Enterprise ...