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MySQL Engineering Blogs

Upgrading MySQL InnoDB Cluster Metadata
As on every release MySQL Shell 8.0.19 includes several bug fixes as well as new features. However, this release includes some significant changes: Fixes for bugs in the schema definition:  Cascading keys in multi-primary mode. Introduction of InnoDB ReplicaSet. These changes required updates to...

A Tale of UDFs with Character Sets
If you are reading this blog post, you likely already know the purpose of user-defined functions (UDF) in MySQL. If you need a quick refresher on UDF’s take a look at the MySQL reference manual.  You may have created your own UDFs as well.…

A new, simple way to figure out why your recursive CTE is running away
In MySQL 8.0.1, we introduced support for recursive common table expressions (CTE). There are quite a few blog entries showcasing the feature, starting from this one, and there is also a complete documentation. Today, I would like to present a solution to a problem which nearly everybody meets when...

Announcing MySQL Cluster 8.0.19, 7.6.13, 7.5.17, 7.4.27, and 7.3.28
We are pleased to announce the release of MySQL Cluster 8.0.19, a new GA, along with 7.6.13, 7.5.17, 7.4.27, and 7.3.28. MySQL Cluster is the distributed, shared-nothing variant of MySQL. This storage engine provides: In-Memory storage – Real-time performance (with optional checkpointing to...

NDB Cluster 8.0 is Generally Available
MySQL’s NDB Cluster Development team proudly announces NDB Cluster 8.0 General Availability. NDB 8.0.19 GA is a completely new generation of the world’s highest throughput transactional datastore MySQL NDB Cluster. Some of the key highlights of 8.0 are NDB is now fully aligned with...

NEW PRODUCT RELEASE: MySQL 8.0.19
New Year 2020 and New Product Release.  The MySQL Development team just released the new MySQL 8.0.19 version.   The new generally available version can be downloaded at dev.mysql.com. In addition to bug fixes, a few new features made it into the release.  You...

Restrict MySQL replication to row based events
In a follow-up to the work presented on MySQL 8.0.18  where we introduced privilege checks for slave applier threads, in this post we present a new feature to further increase your ability to securely replicate your data: you can now restrict replication streams to row based events only.…

MySQL 8.0.19 Replication Enhancements
Here comes another MySQL release, and together with it, a set of new replication features. As usual, we would like to summarize them. And, also as usual, follow up blogs will provide further details. Configure Replication Applier to Require Row-based Replication only.…

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