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https://dev.mysql.com/doc/refman/8.4/en/load-data.html
Index Handling To ignore foreign key constraints during the load operation, execute a SET foreign_key_checks = 0 statement before executing LOAD DATA. Unless REPLACE is also specified, LOCAL has the same effect as the IGNORE modifier on the ...The ...
https://dev.mysql.com/doc/workbench/en/wb-vertical-toolbar.html
For more information about relationships, see Section 9.1.4, “Creating Foreign Key Relationships”. These tools can also be activated from the keyboard by pressing the key associated with the tool. Hover the mouse pointer over a toolbar icon to ... The vertical toolbar appears on the left sidebar (see the following figure) when an EER diagram tab is ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-system-variables.html
If a transaction executes against a table that has foreign keys with cascading constraints, then the transaction fails to commit when synchronizing itself with the group. group_replication_recovery_get_public_key Command-Line Format ... This section ...
https://dev.mysql.com/doc/workbench/en/wb-data-modeling-menus.html
These actions can also be performed using the Control+X, Control+C, and Control+V key combinations. The Control+Z key combination can also be used to undo an operation. It is also possible to carry out a Redo operation using either the menu item, or ... Some menu items are not available in the MySQL Workbench Community Edition of this application, and are available only in the MySQL Workbench Commercial ...
https://dev.mysql.com/doc/refman/8.4/en/myisam-storage-engine.html
All numeric key values are stored with the high byte first to permit better index compression. For the case of a key longer than 250 bytes, a larger key block size than the default of 1024 bytes is used. When rows are inserted in sorted order (as ...
https://dev.mysql.com/doc/refman/8.4/en/memory-storage-engine.html
MEMORY tables can have up to 64 indexes per table, 16 columns per index and a maximum key length of 3072 bytes. If a MEMORY table hash index has a high degree of key duplication (many index entries containing the same value), updates to the table ...
https://dev.mysql.com/doc/workbench/en/wb-what-is-new-8.html
SQL Export Options A new SQL export option in the Forward Engineering SQL Script wizard sorts tables alphabetically in the generated script, rather than sorting tables according to foreign-key references by default (see Section 9.4.1.1.1, ...New ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-lakehouse-limitations-all.html
Before MySQL 8.4.0, Lakehouse does not enforce any specified constraints on primary key, unique key, foreign key, and CHECK constraints. The following options for the CREATE TABLE statement: AUTOEXTEND_SIZE AVG_ROW_LENGTH CHECKSUM COMPRESS ... MySQL ...
https://dev.mysql.com/doc/relnotes/connector-net/en/news-8-0-13.html
(Bug #27898343, Bug #90368) Attempts to create a new foreign key from within an application resulted in an exception when the key was generated by a server in the MySQL 8.0 release series. (Bug #28343828) EF Core: An invalid syntax error was ...
https://dev.mysql.com/doc/refman/8.4/en/optimizing-innodb-ddl-operations.html
Foreign key constraints can make a TRUNCATE statement work like a regular DELETE statement, in which case a sequence of commands like DROP TABLE and CREATE TABLE might be fastest. Many DDL operations on tables and indexes (CREATE, ALTER, and DROP ...