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https://dev.mysql.com/doc/refman/8.4/en/show-triggers.html
Definer The account of the user who created the trigger, in 'user_name'@'host_name' format. row *************************** Trigger: ins_sum Event: INSERT Table: account Statement: SET @sum = @sum + NEW.amount Timing: BEFORE Created: 2018-08-08 ...
https://dev.mysql.com/doc/refman/8.4/en/temporary-files.html
InnoDB user-created temporary tables and on-disk internal temporary tables are created in a temporary tablespace file named ibtmp1 in the MySQL data directory. For some statements, MySQL creates temporary SQL tables that are not hidden and have ...
https://dev.mysql.com/doc/mysql-errors/8.4/en/global-error-reference.html
Error number: 36; Symbol: EE_FAILED_TO_CREATE_TIMER; Message: Failed to create timer (OS errno %d). Error number: 38; Symbol: EE_FAILED_TO_CREATE_TIMER_QUEUE; Message: Failed to create timer queue (OS errno %d). Error number: 40; Symbol: ... This ...
https://dev.mysql.com/doc/workbench/en/wb-migration-overview-steps.html
The current Workbench MySQL connections will be available here, or you can choose Manage DB Connections to create a new connection. "Schema Name Mapping Method" options while migrating Microsoft SQL Server: Keep schemas as they are: ... This example ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-metric-mysqlserver-showstatementactivity-category.html
Show Create DB (Delta) The total number of SHOW CREATE DATABASE statements executed. Show Create Event (Delta) The total number of SHOW CREATE EVENT statements executed. Show Create Func (Delta) The total number of SHOW CREATE FUNCTION statements ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-genai-generate-embeddings.html
Using this method, you can create vector embedding tables that you can use to perform similarity searches using the DISTANCE() function, without setting up a vector store. To learn how to create vector embeddings for unstructured data, see Section ... This section describes how to generate vector embeddings using the ML_EMBED_ROW MySQL HeatWave GenAI ...
https://dev.mysql.com/doc/refman/8.4/en/json-search-functions.html
The functions in this section perform search or comparison operations on JSON values to extract data from them, report whether data exists at a location within them, or report the path to data within them. JSON_CONTAINS(target, candidate[, path]) ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-selection.html
When a table is created using [LINEAR] HASH or [LINEAR] KEY partitioning and the names of the partitions are not specified, MySQL automatically names the partitions p0, p1, p2, ..., pN-1, where N is the number of partitions. Explicit selection of ...
https://dev.mysql.com/doc/refman/8.4/en/storage-engine-setting.html
When you create a new table, you can specify which storage engine to use by adding an ENGINE table option to the CREATE TABLE statement: -- ENGINE=INNODB not needed unless you have set a different -- default storage engine. CREATE TABLE t1 (i INT) ...You can specify the default engine by using the --default-storage-engine server startup option, or by setting the default-storage-engine option in the my.cnf configuration ...
https://dev.mysql.com/doc/refman/8.4/en/string-type-syntax.html
In some cases, MySQL may change a string column to a type different from that given in a CREATE TABLE or ALTER TABLE statement. Specifying the CHARACTER SET binary attribute for a character string data type causes the column to be created as the ...