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https://dev.mysql.com/doc/refman/8.0/en/import-table.html
Trigger information for a table is not serialized into the table .sdi file, so triggers are not restored by the import operation. The IMPORT TABLE statement imports MyISAM tables based on information contained in .sdi (serialized dictionary ...
https://dev.mysql.com/doc/refman/8.0/en/index-condition-pushdown-optimization.html
(For information about triggered conditions, see Section 10.2.2.3, “Optimizing Subqueries with the EXISTS Strategy”.) (MySQL 8.0.30 and later:) Conditions cannot be pushed down to derived tables containing references to system variables. Index ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-general-table-reference.html
The following table summarizes INFORMATION_SCHEMA general tables. For greater detail, see the individual table descriptions. Table 28.2 INFORMATION_SCHEMA General Tables Table Name Description Introduced Deprecated ADMINISTRABLE_ROLE_AUTHORIZATIONS ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-table-reference.html
The following table summarizes all available INFORMATION_SCHEMA tables. For greater detail, see the individual table descriptions. Table 28.1 INFORMATION_SCHEMA Tables Table Name Description Introduced Deprecated ADMINISTRABLE_ROLE_AUTHORIZATIONS ...
https://dev.mysql.com/doc/refman/8.0/en/keywords.html
Certain keywords, such as SELECT, DELETE, or BIGINT, are reserved and require special treatment for use as identifiers such as table and column names. This may also be true for the names of built-in functions. Some keywords which are otherwise ...
https://dev.mysql.com/doc/refman/8.0/en/known-issues.html
REPLACE (and LOAD DATA with the REPLACE option) does not trigger ON DELETE CASCADE. An UPDATE statement involving a temporary table with a join on a non-temporary table having a trigger defined on it can result in an error, even though the update ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-limitations-multiple-nodes.html
Stored procedures, stored functions, triggers, and scheduled events are all supported by tables using the NDB storage engine, but these do not propagate automatically between MySQL Servers acting as Cluster SQL nodes, and must be re-created ...The ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-metadata-locks-table.html
Metadata locking applies not just to tables, but also to schemas, stored programs (procedures, functions, triggers, scheduled events), tablespaces, user locks acquired with the GET_LOCK() function (see Section 14.14, “Locking Functions”), and ...
https://dev.mysql.com/doc/refman/8.0/en/rename-table.html
If a table has triggers, attempts to rename the table into a different database fail with a Trigger in wrong schema (ER_TRG_IN_WRONG_SCHEMA) error. RENAME TABLE tbl_name TO new_tbl_name [, tbl_name2 TO new_tbl_name2] ... You must have ALTER and ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-create-if-not-exists.html
IF NOT EXISTS statements are replicated: Every CREATE DATABASE IF NOT EXISTS statement is replicated, whether or not the database already exists on the source. Similarly, every CREATE TABLE IF NOT EXISTS statement without a SELECT is replicated, ...