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https://dev.mysql.com/doc/heatwave/en/mys-hwaml-train-test-split.html
MySQL 9.4.1 introduces the TRAIN_TEST_SPLIT routine, which automatically splits your data into training and testing datasets. Two new tables in the same database are created with the following names: [original_table_name]_train ...
https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-troubleshooting.html
This section explains the symptoms and resolutions for the most commonly encountered issues with applications using MySQL Connector/J. Questions 16.1: When I try to connect to the database with MySQL Connector/J, I get the following exception: ...
https://dev.mysql.com/doc/refman/8.4/en/audit-log-file-reading.html
The audit log plugin supports functions that provide an SQL interface for reading JSON-format audit log files. (This capability does not apply to log files written in other formats.) When the audit log plugin initializes and is configured for JSON ...
https://dev.mysql.com/doc/refman/8.4/en/create-table-ndb-comment-options.html
NDB_COLUMN Options NDB_TABLE Options It is possible to set a number of options specific to NDB Cluster in the table comment or column comments of an NDB table. Table-level options for controlling read from any replica and partition balance can be ...
https://dev.mysql.com/doc/refman/8.4/en/getting-information.html
What if you forget the name of a database or table, or what the structure of a given table is (for example, what its columns are called)? MySQL addresses this problem through several statements that provide information about the databases and ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-events-table.html
The EVENTS table provides information about Event Manager events, which are discussed in Section 27.4, “Using the Event Scheduler”. The EVENTS table has these columns: EVENT_CATALOG The name of the catalog to which the event belongs.
https://dev.mysql.com/doc/refman/8.4/en/information-schema-routines-table.html
The ROUTINES table provides information about stored routines (stored procedures and stored functions). The ROUTINES table does not include built-in (native) functions or loadable functions. The ROUTINES table has these columns: SPECIFIC_NAME The ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-deadlock-example.html
The following example illustrates how an error can occur when a lock request causes a deadlock. Client A enables innodb_print_all_deadlocks, creates two tables, 'Animals' and 'Birds', and inserts data into each. Thererfore, the previous read-only ...
https://dev.mysql.com/doc/refman/8.4/en/mysqlbinlog-row-events.html
The following examples illustrate how mysqlbinlog displays row events that specify data modifications. These correspond to events with the WRITE_ROWS_EVENT, UPDATE_ROWS_EVENT, and DELETE_ROWS_EVENT type codes. The --base64-output=DECODE-ROWS and ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-columns-range.html
Range columns partitioning is similar to range partitioning, but enables you to define partitions using ranges based on multiple column values. In addition, you can define the ranges using columns of types other than integer types. RANGE COLUMNS ...