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https://dev.mysql.com/doc/refman/8.4/en/partitioning-columns-range.html
However, the order of the column names in the partitioning column list and the value lists does not have to be the same as the order of the table column definitions in the main part of the CREATE TABLE statement. As with table partitioned by RANGE, ... Range columns partitioning is similar to range partitioning, but enables you to define partitions using ranges based on multiple column ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-auto-increment-handling.html
InnoDB provides a configurable locking mechanism that can significantly improve scalability and performance of SQL statements that add rows to tables with AUTO_INCREMENT columns. To use the AUTO_INCREMENT mechanism with an InnoDB table, an ...The ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-about-auto-parallel-load.html
Auto Parallel Load is a feature of MySQL HeatWave that automates many of the steps for loading data, which include the following: Excluding schemas, tables, and columns that cannot be loaded. Defining RAPID as the secondary engine for tables that ...Auto Parallel Load automatically loads frequently used partitions, and automatically unloads partitions that are not being ...
https://dev.mysql.com/doc/refman/8.4/en/load-data.html
INTO Statement”.) To write data from a table to a file, use SELECT ... To read the file back into a table, use LOAD DATA. If you use LOAD DATA on an empty MyISAM table, all nonunique indexes are created in a separate batch (as for REPAIR TABLE).
https://dev.mysql.com/doc/refman/8.4/en/example-foreign-keys.html
MySQL supports foreign keys, which permit cross-referencing related data across tables, and foreign key constraints, which help keep the related data consistent. A foreign key relationship involves a parent table that holds the initial column ...
https://dev.mysql.com/doc/refman/8.4/en/switchable-optimizations.html
For more information, see Section 10.2.2.5, “Derived Condition Pushdown Optimization” Derived Table Merging Flags derived_merge (default on) Controls merging of derived tables and views into outer query block. The derived_merge flag controls ...
https://dev.mysql.com/doc/ndbapi/en/ndb-column.html
This section provides information about the Column class, which models a column in an NDBCLUSTER table. Column::getColumnNo() Description This method gets the sequence number of a column within its containing table or index. If the column is part ...The NDB API provides no support for constructing such formats; however, they are checked by the NDB ...
https://dev.mysql.com/doc/refman/8.4/en/data-dictionary-usage-differences.html
Use of a data dictionary-enabled MySQL server entails some operational differences compared to a server that does not have a data dictionary: Previously, enabling the innodb_read_only system variable prevented creating and dropping tables only for ...As of MySQL 8.4, enabling innodb_read_only prevents these operations for all storage ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-lakehouse-auto-loading-data.html
mysql> CALL sys.HEATWAVE_LOAD( '[{"db_name": "db_1", "tables": [{ "table_name": "table_1", "engine_attribute": { "file": [{"uri": "oci://bucket_1@tenant_1/data_file_1.csv"}] } }] }]', NULL); While you can specify all parameters in one command, it ...
https://dev.mysql.com/doc/refman/8.4/en/insert-select.html
| TABLE table_name | VALUES row_constructor_list } [ON DUPLICATE KEY UPDATE assignment_list] value: {expr | DEFAULT} value_list: value [, value] ... SELECT, you can quickly insert many rows into a table from the result of a SELECT statement, which ... INSERT [LOW_PRIORITY | HIGH_PRIORITY] [IGNORE] [INTO] tbl_name [PARTITION (partition_name [, partition_name] ...)] [(col_name [, col_name] ...)] { SELECT ...