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https://dev.mysql.com/doc/refman/8.4/en/create-table-ndb-comment-options.html
ALGORITHM=INPLACE, COMMENT="NDB_TABLE=READ_BACKUP=0"; For more information about the ALGORITHM option for ALTER TABLE, see Section 25.6.12, “Online Operations with ALTER TABLE in NDB Cluster”. NDB_COLUMN Options NDB_TABLE Options It is possible ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-conflict-resolution.html
Conflict resolution algorithms requiring the old values, such as NDB$MAX() and NDB$OLD(), do not work correctly with these binlog_type values. Because the conflict detection algorithms employed by NDB$EPOCH() and NDB$EPOCH_TRANS() are asymmetric, ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-genai-generate-content.html
Generate Content To generate text-based content using MySQL HeatWave GenAI, perform the following steps: To define your natural-language query, set the @query variable: mysql>SET @query="QueryInNaturalLanguage"; Replace QueryInNaturalLanguage with a ... The following sections in this topic describe how to generate new text-based content using MySQL HeatWave GenAI: Before You Begin Generate Content Run Batch Queries What's Next Before You Begin Review the MySQL HeatWave GenAI requirements and ...
https://dev.mysql.com/doc/heatwave/en/mys-hwaml-training-a-forecasting-model.html
mysql> SET @variable = 'model_handle'; Replace @variable and model_handle with your own definitions. mysql> CALL sys.ML_TRAIN('table_name', 'target_column_name', JSON_OBJECT('task', 'task_name'), model_handle); Replace table_name, ... After ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-limitations.html
ALGORITHM=INSTANT on a partitioned table, it is no longer possible to exchange partitions with this table. Be aware that, if your application uses REPLACE statements and you do this, the results of these statements can be drastically altered. See ...
https://dev.mysql.com/doc/refman/8.4/en/range-optimization.html
The correct way to remove them is to replace them with TRUE, so that we do not miss any matching rows when doing the range scan. The range condition extraction algorithm can handle nested AND/OR constructs of arbitrary depth, and its output does not ... The range access method uses a single index to retrieve a subset of table rows that are contained within one or several index value ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-3.html
InnoDB: InnoDB did not allow updating a REDUNDANT table column that was altered with NULL as the default value using the INSTANT algorithm. (Bug #36730830) InnoDB: It was possible for the MySQL server to halt unexpectedly when executing a DELETE or ... C API Notes Compilation Notes Configuration Notes SQL Function and Operator Notes JavaScript Programs Performance Schema Notes sys Schema Notes Thread Pool Notes Functionality Added or Changed Bugs Fixed C API Notes The asynchronous interface used unsafe static local variables to store state ...
https://dev.mysql.com/doc/mysql-ai/9.4/en/mys-ai-aml-training-a-forecasting-model.html
mysql> SET @variable = 'model_handle'; Replace @variable and model_handle with your own definitions. mysql> CALL sys.ML_TRAIN('table_name', 'target_column_name', JSON_OBJECT('task', 'task_name'), model_handle); Replace table_name, ... After ...
https://dev.mysql.com/doc/refman/8.4/en/myisam-key-cache.html
Otherwise, the server chooses a cache block buffer containing a different table index block (or blocks) and replaces the data there by a copy of required table index block. If it happens that a block selected for replacement has been modified, the ... To minimize disk I/O, the MyISAM storage engine exploits a strategy that is used by many database management ...
https://dev.mysql.com/doc/refman/8.4/en/outer-join-simplification.html
The optimizer choices are limited because only such plans enable outer joins to be executed using the nested-loop algorithm. This results in a query with no outer joins at all: SELECT * FROM (T1 INNER JOIN T2 ON T2.A=T1.A), T3 WHERE T3.C > 0 AND ...