MySQL Engineering Blogs
New in MySQL 5.7: Performance Schema scalable memory allocation
Performance Schema is a mechanism to collect and report run time statistics for running MySQL server. These statistics are stored-in and fetched-from internal memory buffers. In MySQL 5.6 GA, memory for these buffers is allocated during MySQL server startup with either user specified configuration...
Feedback Request: Enforcing SQL Mode
MySQL Server has an extensive collection of SQL modes which control a range of behavior ranging from compatibility modes for other RDBMS dialects (ANSI_QUOTES, PIPES_AS_CONCAT) to security (NO_AUTO_CREATE_USER) to explicit storage engine selection (NO_ENGINE_SUBSTITUTION) to restricting lossy...
MySQL Cluster 7.5 — the First Milestone Is Here!
I’m happy to announce that the first Development Milestone Release (DMR) of MySQL Cluster 7.5 is now available! Some highlights of this first milestone release of MySQL Cluster 7.5 are: This release is based on MySQL 5.7, so users can enjoy all of the great new features available in the...
New Query Rewrite Presentation at FOSDEM 2016
Last weekend I had the pleasure to attend the excellent FOSDEM conference in Brussels, Belgium. I indulged aplenty in pancakes with Nutella, a Belgian beer or two, and some truly interesting presentations. MySQL had a lecture hall for itself the whole weekend, and the booth conveniently located...
Group Replication — an Overview
Within the MySQL team, we’re extremely excited about Group Replication! More and more of our users are also starting to become aware of this exciting feature–which offers native synchronous replication with support for multi-master or active/active update-anywhere replication clusters....
New and old ways to emulate CHECK constraints, DOMAIN
Correctness of data comes in different forms. One is referential integrity, also known as foreign keys. Another is CHECK constraints. While MySQL supports foreign keys, it doesn’t support CHECK constraints. Today we will look at three ways to emulate them: triggers views generated columns...
MySQL Enterprise Backup (MEB) and Oracle Storage Cloud
MEB 3.12.0 and above support cloud backup and restore using OpenStack-compatible object stores ("Swift"). This allows MySQL database users with Oracle Storage Cloud account to take backups and store them directly in the cloud and restore them from there. The following...
MySQL Community Server
- MySQL Community Server 5.7
- MySQL Installer 5.7
- MySQL Community Server 5.6
- MySQL Community Server 5.5
- MySQL Installer 5.5
What InnoDB specific options are you most eager to see made dynamic?
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