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https://dev.mysql.com/doc/refman/8.4/en/bit-value-literals.html
For example, a bit literal assigned to a user-defined variable is a binary string by default. A leading 0b is case-sensitive and cannot be written as 0B. In numeric contexts, MySQL treats a bit literal like an integer. To ensure numeric treatment of ...
https://dev.mysql.com/doc/refman/8.4/en/charset-restrictions.html
Identifiers are stored in mysql database tables (user, db, and so forth) using utf8mb3, but identifiers can contain only characters in the Basic Multilingual Plane (BMP). FULLTEXT indexes cannot be created on a column that uses any of these ...The ...
https://dev.mysql.com/doc/refman/8.4/en/clone-plugin.html
By default, a remote cloning operation removes existing user-created data (schemas, tables, tablespaces) and binary logs from the recipient data directory before cloning data from the donor. The clone plugin permits cloning data locally or from a ...
https://dev.mysql.com/doc/refman/8.4/en/comments.html
(Under some conditions, nested comments might be permitted, but usually are not, and users should avoid them.) MySQL Server supports certain variants of C-style comments. MySQL Server supports three comment styles: From a # character to the end of ...
https://dev.mysql.com/doc/refman/8.4/en/commit.html
In read-only mode, it remains possible to change tables created with the TEMPORARY keyword using DML statements. Rolling back can be a slow operation that may occur implicitly without the user having explicitly asked for it (for example, when an ...
https://dev.mysql.com/doc/refman/8.4/en/connectors-apis.html
Connector/NET enables developers to create .NET applications that connect to MySQL. Native drivers are also easier for end users to build and deploy because no copy of the MySQL client libraries is needed to build the native driver components.
https://dev.mysql.com/doc/refman/8.4/en/data-dictionary-transactional-storage.html
Data dictionary tables are created in a single InnoDB tablespace named mysql.ibd, which resides in the MySQL data directory. Dictionary data is protected by the same commit, rollback, and crash-recovery capabilities that protect user data that is ...
https://dev.mysql.com/doc/refman/8.4/en/delete.html
For example, the following statement finds rows matching the WHERE clause, sorts them by timestamp_column, and deletes the first (oldest) one: DELETE FROM somelog WHERE user = 'jcole' ORDER BY timestamp_column LIMIT 1; ORDER BY also helps to delete ... DELETE is a DML statement that removes rows from a ...
https://dev.mysql.com/doc/refman/8.4/en/derived-condition-pushdown-optimization.html
For a query in which the condition is on the tables of a view created using ALGORITHM=TEMPTABLE instead of on the view itself, the multiple equality is not recognized at resolution, and thus the condition cannot be not pushed down. A condition ...
https://dev.mysql.com/doc/refman/8.4/en/document-store.html
For example, when you create documents describing products, you do not need to know and define all possible attributes of any products before storing and operating with the documents. See X DevAPI User Guide for in-depth tutorials on using X DevAPI.