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https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-mysqlai-ml-model-import.html
Models in ONNX format (.onnx) cannot be loaded directly into a MySQL table. Before running ML_MODEL_IMPORT, follow the instructions in Import an External ONNX Model to pre-process and then load the model into a temporary table to use with AutoML.
https://dev.mysql.com/doc/heatwave/en/mys-hw-troubleshooting.html
mysql> SHOW STATUS LIKE 'Last_query_cost'; Solution C: The table you are querying is not loaded. You can check the load status of a table in MySQL HeatWave by querying LOAD_STATUS data from MySQL HeatWave Performance Schema tables. Alternatively, ...
https://dev.mysql.com/doc/refman/8.4/en/alter-database.html
Encryption Option The ENCRYPTION option, defines the default database encryption, which is inherited by tables created in the database. The existing tables within it are part of the general mysql tablespace, which may be encrypted. All tables in the ...alter_option: { [DEFAULT] CHARACTER SET [=] charset_name | [DEFAULT] COLLATE [=] collation_name | [DEFAULT] ENCRYPTION [=] {'Y' | 'N'} | READ ONLY [=] {DEFAULT | 0 | 1} } ALTER DATABASE enables you to change the overall characteristics of a ...
https://dev.mysql.com/doc/refman/8.4/en/hash-joins.html
row *************************** id: 1 select_type: SIMPLE table: t1 partitions: NULL type: ALL possible_keys: NULL key: NULL key_len: NULL ref: NULL rows: 1 filtered: 100.00 Extra: NULL *************************** 2. row *************************** ...It is possible to control whether hash joins are employed using one of the BNL and NO_BNL optimizer hints, or by setting block_nested_loop=on or block_nested_loop=off as part of the setting for the optimizer_switch server system ...
https://dev.mysql.com/doc/refman/8.4/en/identifier-qualifiers.html
For example, this statement creates a table using the unqualified name t1: CREATE TABLE t1 (i INT); Because t1 includes no qualifier to specify a database, the statement creates the table in the default database. This statement creates a table using ...An unqualified name is permitted in contexts where interpretation of the name is ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-performance-schema.html
For example, you should know how enable instruments and consumers, and how to query performance_schema tables to retrieve data. To view InnoDB-related instruments, you can query the setup_instruments table for instrument names that contain 'innodb'.
https://dev.mysql.com/doc/refman/8.4/en/replication-rules-examples.html
If you use a combination of database-level and table-level replication filtering options, the replica first accepts or ignores events using the database options, then it evaluates all events permitted by those options according to the table options. With row-based format, DML statements are handled based on the database where the modified table ...It is also important to note that the results vary ...
https://dev.mysql.com/doc/refman/8.4/en/storage-engines.html
Storage engines are MySQL components that handle the SQL operations for different table types. InnoDB is the default and most general-purpose storage engine, and Oracle recommends using it for tables except for specialized use cases. (The CREATE ...
https://dev.mysql.com/doc/internals/en/optimizer-joins-access-methods.html
Bad join choices can cause more damage than bad choices in single-table searches, so MySQL developers have spent proportionally more time making sure that the tables in a query are joined in an optimal order and that optimal access methods (often ...The goal of the query optimizer is to find an optimal QEP among all such possible ...
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 ...