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https://dev.mysql.com/doc/refman/8.4/en/replication-features-triggers.html
If an upgraded replication source server still has old replicas using MySQL versions that do not support multiple triggers, an error occurs on those replicas if a trigger is created on the source for a table that already has a trigger with the same ... With statement-based replication, triggers executed on the source also execute on the ...
https://dev.mysql.com/doc/refman/8.4/en/replication-multi-source-monitoring.html
To monitor the status of replication channels the following options exist: Using the replication Performance Schema tables. The information that was available through these variables has been migrated to the replication performance tables. This ...
https://dev.mysql.com/doc/refman/8.4/en/sys-schema-progress-reporting.html
The following sys schema views provide progress reporting for long-running transactions: processlist session x$processlist x$session Assuming that the required instruments and consumers are enabled, the progress column of these views shows the ...
https://dev.mysql.com/doc/refman/8.4/en/using-explain.html
That is, MySQL explains how it would process the statement, including information about how tables are joined and in which order. With the help of EXPLAIN, you can see where you should add indexes to tables so that the statement executes faster by ... The EXPLAIN statement provides information about how MySQL executes statements: EXPLAIN works with SELECT, DELETE, INSERT, REPLACE, and UPDATE ...
https://dev.mysql.com/doc/refman/8.4/en/using-log-files.html
Note that before starting mysqld with the general query log enabled, you should check all your tables with myisamchk. If this happens, you should check all your tables with myisamchk (see Chapter 7, MySQL Server Administration), and test the ...If ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/mysqlbackup.incremental.html
Creating Incremental Backups Using Only the Redo Log The --incremental-with-redo-log-only might offer some benefits over the --incremental option for creating an incremental backup: The changes to the InnoDB tables are determined based on the ...In ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/restore-use-tts.html
Requirements for restoring backups created with transportable tablespaces (TTS) (that is, created with the --use-tts option) are similar to those listed in Section 5.1.4, “Table-Level Recovery (TLR)”, with some differences noted in the section.
https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-ai-aml-classification-generate-explanation.html
Generating Prediction Explanations for a Table After training a model, you can generate a table of prediction explanations on the testing_data dataset by using the default Permutation Importance prediction explainer. To generate explanations for ...
https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-ai-aml-using-a-recommendation-model.html
Before You Begin Complete the following tasks: Prepare Data for a Recommendation Model Train a Recommendation Model Options for Generating Predictions The options for ML_PREDICT_ROW and ML_PREDICT_TABLE include the following: threshold: The optional ...To generate predictions, use the sample data from the testing_dataset ...
https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-mysqlai-ml-metrics.html
If the input table overlaps with the training table, and remove_seen is true, which is the default setting, then the model will not repeat a recommendation and it ignores the overlap items. The precision_at_k value for the input table is the average ... The ML_TRAIN routine includes the optimization_metric option, and the ML_SCORE routine includes the metric ...