---
title: "MariaDB's open source alternative to enterprise databases"
publication: "DB Weekly"
issue: 205
published_at: "2018-05-25"
canonical_url: "https://dbweekly.com/issues/205"
---

This week's database news       

#205 — May 25, 2018 

[Read on the Web](https://dbweekly.com/issues/205)   

Database Weekly   

[MariaDB TX 3.0: An Oracle-Compatible 'Enterprise Open Source' Database](https://mariadb.com/resources/blog/mariadb-tx-30-first-deliver-promise-enterprise-open-source) — A major release from MariaDB, the company originally organized around a fork of MySQL. TX 3.0 brings an Oracle-compatible open source database to the enterprise, including temporal features. MariaDB’s goal is to offer an open source database existing Oracle/Microsoft/IBM customers can migrate to without giving up features. The Register has [a nice write up](https://www.theregister.co.uk/2018/05/24/mariadb_tx_3_point_0/) too. 

Shane Johnson (MariaDB)   

[PostgreSQL 11 Beta 1 Released](https://www.postgresql.org/about/news/1855/) — Introduces SQL stored procedures, JIT compilation for queries, and major improvements to partitioning and parallelism. For a bulleted list of the new features, see [the draft release notes.](https://www.postgresql.org/docs/11/static/release-11.html) 

PostgreSQL Global Development Group   [![\](https://copm.s3.amazonaws.com/0b03250c.png)](https://studio3t.com/whats-new/mongodb-query-performance/?utm_source=dbweekly&utm_medium=newsletter&utm_campaign=may2018) 

[Get Optimised MongoDB Query Performance with Studio 3T](https://studio3t.com/whats-new/mongodb-query-performance/?utm_source=dbweekly&utm_medium=newsletter&utm_campaign=may2018) — Read the latest article in our new tutorial series on MongoDB performance with a piece on the powerful Profiler, and also discover how the explain method can be an indispensable tool to improve queries and commands. 

Studio 3T sponsor   

[First Release Candidate of MongoDB 4.0 Released](https://groups.google.com/d/msg/mongodb-user/UWIPZEAKYiw/C5twgBwrCwAJ) — The first release candidate of MongoDB 4.0 is here for testing with the headline feature being [support for multi-document ACID transactions](https://www.mongodb.com/transactions), a huge step forward for the popular NoSQL database. _P.S. We have a [MongoDB newsletter](https://mongodb.email/) if you’re interested :-)_ 

Kelsey Schubert   

[An Introduction to Redis Streams](https://redis.io/topics/streams-intro) — _Streams_ are a powerful new data type coming to Redis in version 5 (first RC expected next week). 

Redis Official Documentation   

[Understanding Deadlocks in MySQL and Postgres](https://severalnines.com/blog/understanding-deadlocks-mysql-postgresql) — A look at what deadlocks are, why they happen, and some suggestions on how to manage them. 

Sebastian Insausti   

[Preparing Your Multi-Tenant App for Scale](https://www.citusdata.com/blog/2018/05/22/planning-multi-tenant-for-scale/) — Three key steps worth taking to ensure you won’t waste time when/if your database needs to scale. 

Craig Kerstiens   

[MongoDB Celebrates Reaching 1,000 Employees](https://www.mongodb.com/blog/post/mongodb-celebrates-reaching-1000-employees) 

MongoDB    

[Free Webinar: Migrating to Galera Cluster for MySQL & MariaDB](https://severalnines.com/resources/webinars/migrating-galera-cluster-mysql-and-mariadb?utm_campaign=Crisis_Campaign_MAY_2018&utm_content=dbweekly&utm_medium=Paid_Search&utm_source=banner) — Join us May 29 to learn how to turn your MySQL instances into a clustered HA solution. 

Severalnines sponsor   

[Simple Tips for PostgreSQL Query Optimization](https://statsbot.co/blog/postgresql-query-optimization/) — _“How to speed up your database performance 100x”_ Well, some queries at least. 

Pavel Tiunov   

[Mapping Oracle Datatypes to PostgreSQL](https://www.cybertec-postgresql.com/en/mapping-oracle-datatypes-to-postgresql/) — A table to help you map Oracle datatypes to Postgres ones. 

Hans-Jürgen Schönig   

[Looking Under The Hood of Eventbrite's Data Pipeline](https://www.eventbrite.com/engineering/looking-under-the-hood-of-the-eventbrite-data-pipeline/) 

Ed Presz (Eventbrite)   

[Datasette, an Instant Web UI and JSON API for SQLite Data, Gains 'Facets'](https://simonwillison.net/2018/May/20/datasette-facets/) — Faceted navigation brings a lot of new ways to explore data through this fantastic tool. 

Simon Willison   

[Linux Cloud Hosting Starting at 1GB of RAM for $5/mo](https://welcome.linode.com/db-weekly/?utm_source=cooperpress&utm_medium=email&utm_campaign=db-weekly-brief) 

Linode Cloud Hosting sponsor   

[mongo-monitor: A Simple CLI to Monitor a MongoDB Cluster](https://dwmkerr.com/mongo-monitor-cli/) 

Dave Kerr   

[Mongotail: Log All MongoDB Queries in A 'tail'-able Way](https://github.com/mrsarm/mongotail) 

Mariano Ruiz         

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