Planet MySQL HA Blog

MySQL events in Nov-Jan 2026

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Discover how to use aggregate functions and GROUP BY in MySQL to answer big questions about your data! This post guides beginners through counting, averaging, and categorizing records with friendly library metaphors, clear examples, and humor. A great way to level up your SQL skills and get your data stories told.

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Introducing new APIs in Cluster/J to help applications handle schema changes

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The first of two parts describing new features in Cluster/J, the NoSQL Java development environment for MySQL NDB Cluster.

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If you’ve ever wondered how to set up OpenID Connect (OIDC) authentication in PostgreSQL, the wait is almost over.

We’ve spent some time exploring what it would take to make OIDC easier and more reliable to use with PostgreSQL. And now, we’re happy to share the first results of that work.

Why OIDC, and why now?

We’ve spoken to some of our customers and noticed a trend of moving away from LDAP to OIDC. Our MongoDB product is already providing OIDC integration and the team working on PostgreSQL products saw an opportunity coming with PostgreSQL 18.

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Discover how to combine information from multiple tables using JOINs in MySQL! This beginner-friendly guide explains INNER JOINs (and friends) with fun library metaphors, approachable SQL examples, and practical tips to help you unlock the true power of your relational database.

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If you’ve ever wondered how to set up OpenID Connect (OIDC) authentication in PostgreSQL, the wait is almost over. We’ve spent some time exploring what it would take to make OIDC easier and more reliable to use with PostgreSQL. And now, we’re happy to share the first results of that work.

Why OIDC, and why now?

We’ve spoken to some of our customers and noticed a trend of moving away from LDAP to OIDC. Our MongoDB product is already providing OIDC integration and the team working on PostgreSQL products saw an opportunity coming with PostgreSQL 18. As some of you may have noticed…

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MySQL HeatWave feature announcements at Oracle AI World

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This blog post introduces WebAssembly (Wasm) support in MySQL Heatwave! For the first time, you can bring high-performance, portable code, compiled from Rust, C++, and many more languages, directly to your MySQL data, unlocking a new universe of speed, flexibility, and innovation.

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MySQL HeatWave Lakehouse enables queries on file formats like Parquet, Avro, ND-JSON and CSV in an object store. This blog introduces support for the Delta Lake table format, thereby enabling ACID-compliant applications on data in the object store.

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