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https://dev.mysql.com/doc/refman/8.4/en/miscellaneous-functions.html
GROUPING(expr [, expr] ...) For GROUP BY queries that include a WITH ROLLUP modifier, the ROLLUP operation produces super-aggregate output rows where NULL represents the set of all values. The function return value and type are the same as the ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-limitations-other.html
The WITH ROLLUP modifier in GROUP BY clauses in the following cases: In queries that contain distinct aggregations. UNION ALL queries with an ORDER BY or LIMIT clause, between dictionary-encoded columns, or between ENUM columns. EXCEPT, EXCEPT ALL, ...For a list of supported SQL modes, see Section 5.2, “Supported SQL ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-management-exchange.html
Table nt contains no foreign key references, and no other table has any foreign keys that refer to nt. There are no rows in nt that lie outside the boundaries of the partition definition for p. For InnoDB tables, both tables must use the same row ...
https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-ai-aml-how-to-import-onnx.html
This topic describes how to import an external ONNX model. Ways to Import External ONNX Model You have the following ways to import an external ONNX model. Import model as a string: For smaller models, you can copy the encoded string and paste it ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-advisor-data-placement.html
This topic contains the following sections: Run Auto Data Placement Usage Notes Auto Data Placement Examples What's Next Run Auto Data Placement Note To run Advisor for both encoding and data placement recommendations, run Auto Encoding first, apply ...Data placement keys are used to partition table data among MySQL HeatWave nodes when loading ...
https://dev.mysql.com/doc/refman/8.4/en/nested-join-optimization.html
Queries with nested outer joins are executed in the same pipeline manner as queries with inner joins. Thus, the optimization of pushing conditions out of the inner nested loops cannot be applied directly to queries with outer joins. The following ...
https://dev.mysql.com/doc/refman/8.4/en/select.html
} export_options: [{FIELDS | COLUMNS} [TERMINATED BY 'string'] [[OPTIONALLY] ENCLOSED BY 'char'] [ESCAPED BY 'char'] ] [LINES [STARTING BY 'string'] [TERMINATED BY 'string'] ] SELECT is used to retrieve rows selected from one or more tables, and can ... SELECT [ALL | DISTINCT | DISTINCTROW ] [HIGH_PRIORITY] [STRAIGHT_JOIN] [SQL_SMALL_RESULT] [SQL_BIG_RESULT] [SQL_BUFFER_RESULT] [SQL_NO_CACHE] [SQL_CALC_FOUND_ROWS] select_expr [, select_expr] ...
https://dev.mysql.com/doc/refman/8.4/en/sys-statement-performance-analyzer.html
Otherwise, it must be the name of an existing view that queries the Performance Schema events_statements_summary_by_digest table. Example To create a report with the queries in the 95th percentile since the last truncation of ... Creates a report of ...
https://dev.mysql.com/doc/heatwave/en/heatwave-system-variables.html
The number of entries permitted in the statistics cache by default is 65536, which is enough to store statistics for 4000 to 5000 unique queries of medium complexity. rapid_hnsw_use_adaptive_accuracy_estimation System Variable ...Most MySQL HeatWave ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-airportdb-quickstart.html
The MySQL HeatWave airportdb Quickstart shows how to import data into the DB System using the MySQL Shell Dump Load utility, loading data into MySQL HeatWave Cluster using Auto Parallel Load, and running queries. This quickstart contains the ...For ...