Why was “source” chosen? MySQL Asynchronous Replication is a change stream. Each replication configuration has a source and does not imply what role a server should have in the overall database architecture. Therefore, the use of e.g. “primary” does not fit, especially when replication is used to build database architectures topologies including bidirectional replication, multi-tiered replication,
In MySQL 8.0 we introduce the ICU library to handle our regular expression support. This library is maintained by the Unicode Consortium and is used on a wide variety on platforms. The reason we switch libraries is threefold: security, Unicode support and functionality. The ICU library offers excellent security by limiting both memory and cpu time. You can configure it to be more liberal, but by d
The classic MySQL command line tool is how most users – developers and administrators – interact with a MySQL server. From administrative tasks to trying out queries, it wouldn’t be far-fetched to call it the face of MySQL. With a new programming interface built into the MySQL Server, we need to properly support it at the client side in connectors, tools and of course, the command line client. The
Welcome to the MySQL source code documentation.This documentation covers primarily the MySQL server, for the mysqld process. Other programs, like the MySQL Router, are also documented, see the Server tools section. The order chosen to present the content is to start with low level components, and build upon previous sections, so that code is presented in a logical order. For some sections, a full
With the shipment of the first release candidate (RC) of MySQL 5.7, the next major version of the server is rapidly shaping up. Over the course of the nearly two and a half years that have passed since 5.6 went GA, we have put a lot of work into streamlining the server code in order to ease the burden of developing and maintaining such a large product and codebase. An important aspect of this work
概要 これは MySQL リファレンスマニュアルです。 MySQL 8.0 から 8.0.25、および NDB のバージョン 8.0 から 8.0.25-ndb-8.0.25 に基づく NDB Cluster リリースについてそれぞれ説明します。 まだリリースされていない MySQL バージョンの機能のドキュメントが含まれている場合があります。 リリースされたバージョンの詳細は、「MySQL 8.0 リリースノート」を参照してください。 MySQL 8.0 の機能. このマニュアルでは、MySQL 8.0 のエディションによっては含まれていない機能について説明します。このような機能は、ご自身にライセンス付与されている MySQL 8.0 のエディションに含まれていない場合があります。 MySQL 8.0 の使用しているエディションに含まれる機能に関する質問がある場合は、MySQL 8.0
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Abstract This document provides a single resource for summary information about MySQL server, including specific information on changes between different versions for options and variables, and summary tables showing the availability across MySQL series for several server features, such as operators and functions, INFORMATION_SCHEMA and Performance Schem tables, sys schema objects, keywords and re
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