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https://dev.mysql.com/doc/mysql-ai/9.7/en/mys-mysqlai-train-test-split.html
The TRAIN_TEST_SPLIT routine automatically splits your data into training and testing datasets. For each class in the dataset, 80% of the samples goes into the training dataset, and the remaining goes into the testing dataset. The first 80% of the ...Two new tables in the same database are created with the following names: [original_table_name]_train [original_table_name]_test The split of the data between training and testing datasets depends on the machine learning ...
https://dev.mysql.com/doc/mysql-shell/9.7/en/mysql-shell-utilities-parallel-table.html
The utility analyzes an input data file, distributes it into chunks, and uploads the chunks to the target MySQL server using parallel connections. The default dialect for the utility maps to a file created using a SELECT...INTO OUTFILE statement ...
https://dev.mysql.com/doc/internals/en/source-files-related-to-the-binary-log.html
rpl_injector.h /rpl_injector.cc: Contains the injector class that allows external insertions into the binary log. sql directory: log.h /log.cc: The high-level binary logging mechanism for organizing events into a sequence so that it becomes a binary ... This section describes the files in a MySQL source tree that are most relevent to binary log ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-recattr-vs-ndbrecord.html
This example illustrates the key differences between the old-style NdbRecAttr API and the newer approach using NdbRecord when performing some common tasks in an NDB API application. The source code can be found can be found in the file ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-data-load-prerequisites.html
This topic describes how to prepare your data for loading into MySQL HeatWave. Identify all of the tables that your queries access to ensure that you load all of them into MySQL HeatWave. If a query accesses a table that is not loaded into MySQL ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-lakehouse-auto-loading-data.html
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 data. Create a session variable with the characteristics of the input_list to create the external ...This topic contains the following sections: Before You Begin Load External Data Using Lakehouse Auto Parallel Load with a New Table Load External Data Using Lakehouse Auto Parallel Load with an Existing Table What's Next Before You Begin Complete the steps to Create an External Table before running the HEATWAVE_LOAD ...
https://dev.mysql.com/doc/relnotes/heatwave/en/news-9-6-0.html
(Bug #38752998) MySQL HeatWave Lakehouse MySQL HeatWave Lakehouse now supports the loading of complex and nested Parquet types, including lists, maps, and other nested structures, which are flattened into a JSON representation. This enhancement ...
https://dev.mysql.com/doc/refman/9.7/en/faqs-mysql-cluster.html
How do I import an existing MySQL database into an NDB Cluster? A.10.28. How do I import an existing MySQL database into an NDB Cluster? You can import databases into NDB Cluster much as you would with any other version of MySQL. What happens to NDB ... In the following section, we answer questions that are frequently asked about MySQL NDB Cluster and the NDB storage ...
https://dev.mysql.com/doc/mysql-enterprise-backup/9.7/en/backup-capacity-options.html
However, subsequent apply-log operations on the backups will take more time to complete, as the unused pages are inserted back into the tables during the operations. Accepted formats for specifying the option include: now: This includes all tables ... These options limit the resources used by the backup process, in order to minimize backup overhead for busy or huge databases, or specify behaviors of the process when encountering resource ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-lakehouse-selective-load.html
If a new file path is specified, then the data from the file is loaded into the table. Complete the following steps to perform the initial load of data: Upload the files to load into Object Storage. See Upload the files to load into Object Storage ... Available as of MySQL 9.1.2, you can update external tables using Selective Load, which lets you edit the list of files that comprise an external table without altering the directories in the Object Storage ...