As editor of , a weekly newsletter on what’s new in the world of databases and data storage generally, I enjoy poking around new database systems and seeing what ideas might end up affecting everyday developers in the decades to come. Database Weekly The database world isn’t packaged with mind-bending announcements on a weekly basis, but over the course of a year it never fails to surprise me how many new things we see, and how unrelenting the progression is. 2017 was no exception, so I want to reflect on some of the interesting new releases including do a transactional graph database, a geo-replicated multi-model database, and a new high performance key/value store. TimescaleDB — A Postgres-based Time-Series Database with Automatic Partitioning One of several exciting new extensions for PostgreSQL, is Apache 2 licensed but backed by a startup. Timescale PhD-packed Timescale adds time-series storage features to Postgres with automatic partitioning but wrapped up in the usual Postgres interface and tooling. Queries are performed using regular SQL against a“hypertable” that provides an interface to the time-series data. _An open-source time-series database fully compatible with Postgres for fast ingest and complex queries._www.timescale.com Timescale | an open-source time-series SQL database optimized for fast ingest, complex queries and… Microsoft Azure Cosmos DB — Microsoft’s Multi-Model Database is essentially a rebranding and redevelopment of Azure’s older but makes it easy to globally distribute data across Azure’s various datacenters. Global distribution is Cosmos DB’s killer feature, and it’s possible to have database requests routed to the nearest region containing your data with no config changes. Cosmos DB DocumentDB The “multi-model” part is also significant. While everything’s schema-less JSON under the hood, there’s an SQL API to query it, as well as a MongoDB API, Cassandra API, and even a graph database API (based on ). Gremlin One of the better ways to learn more about Cosmos is in on Microsoft’s Channel 9: this 15 minute video introduction _Kirill Gavrylyuk stops by Azure Friday to talk Cosmos DB with Scott Hanselman. Watch quick overview of the industry's…_channel9.msdn.com Introducing Azure Cosmos DB Cloud Spanner — Google’s Globally Distributed Relational Database Google’s has been in the works for a long time, being first publicly explained in (though development began in 2007). It was initially developed because Google needed a globally-distributed, high-availability storage system for itself, but it’s now available to the public too. Cloud Spanner a pretty interesting 2012 academic paper Google recognizes that the features that make Cloud Spanner suitable for its own purposes make it attractive to enterprises too, so it promises 99.999% availability, no planned downtime, and “enterprise-grade” security. Supporting ANSI 2011 SQL, Cloud Spanner brings a battle-tested, high-availability, horizontally-scaling relational database to developers already familiar with relational database concepts. _The only enterprise-grade, globally-distributed, and strongly consistent relational database service._cloud.google.com Cloud Spanner | Automatic Sharding with Transactional Consistency at Scale | Google Cloud Platform Neptune — Amazon’s Fully Managed Graph Database Service We’ve covered Microsoft and Google, so why not Amazon? Another database limited to a specific cloud, a preview of at Amazon’s recent re:Invent conference. Neptune was announced Neptune promises to a be a fast and reliable graph database service and is designed to quickly bring the insights graph databases can offer to developers but without any of the operational headache. For a price, of course. Neptune supports two standards for making queries across your graphs, the increasingly “gold standard” of , as well as SPARQL (where your graph is treated as RDF). Gremlin _Amazon Neptune is a fast, reliable, fully-managed graph database service that makes it easy to build and run…_aws.amazon.com Amazon Neptune - Fast, Reliable Graph Database built for the cloud YugaByte — An Open Source, Cloud-Native Database popped out of “stealth mode” this year and offers a database that supports both SQL and NoSQL modes of operation. Aimed directly at use in the cloud, it’s designed to “serve as the stateful complement to containers”. YugaByte and built with C++, it supports Cassandra’s query langauge (CQL), as well as the Redis protocol. Support for the PostgreSQL protocol is on the way, and Spark apps can run on top of it. Open source The YugaByte team YugaByte is another startup-backed effort (founded by engineers who scaled the Apache HBase platform at Facebook, no less) with being an “enterprise edition” that sits alongside the open source, community edition and adds features like multi-cloud cluster orchestration, monitoring and alerting, tiered storage, and support. the business model Peloton — A “Self Driving” SQL DBMS Peloton explores some interesting ideas, particularly in the area of using AI to automatically optimize the database. It also has support for byte-addressable NVM storage technology and is Apache-licensed open source. The idea behind “self driving” databases is that it could be possible for a DBMS to operate and tweak itself autonomously. It could predict workload trends and prepare itself accordingly, without a DBA or ops people at the helm. Perhaps unsurprisingly, Peloton stems from an academic project (from Carnegie Mellon, specifically) and one of its creators wrote . It’s been in development for a few years but has become more open in 2017. an extensive article about it was built why JanusGraph — A Java-based Distributed Graph Database is a practical, ready-to-go database with lots of integrations baked in and . It’s optimized for scalability and storing and querying graph databases while supporting transactions and a high number of simultaneous users. JanusGraph built on the solid foundation of TitanDB huge It can use Cassandra, HBase, Google Cloud Bigtable, and BerkeleyDB for its storage backend, and can integrate with Spark, Giraph, and Hadoop out of the box. It even supports full-text and geolocation searches by integrating with ElasticSearch, Solr, or Lucene. Aurora Serverless — An Instantly Scalable, “Pay As You Go” Relational Database on AWS Another announcement from Amazon’s re:Invent conference was a version of their successful Aurora database service, . serverless Aurora Serverless Plugging neatly into the recent trend of “serverless” platforms that promise to rid you of your scaling and operations headaches forever, the idea behind Aurora Serverless is that many database use cases don’t require a consistent level of performance or usage and that, instead, you could “pay as you go” (on a second-by-second basis) for a database that scales as you need it to. It’s currently just in preview but promises to be a big deal in 2018. _You may already know about . Available in editions that are either MySQL-compatible or PostgreSQL-compatible, Aurora is…_aws.amazon.com In The Works - Amazon Aurora Serverless | Amazon Web Services TileDB — Storage of Massive Dense and Sparse Multi-Dimensional Arrays is a database that started life at MIT and Intel that’s designed for storing multi-dimensional array data, a requirement commonly found in areas like genomics, medical imaging, and financial time series. TileDB It supports numerous compression mechanisms (such as gzip, lz4, Blosc, and RLE) and storage backends (such as GFS, S3, and HDFS). _Array data management made fast and easy_tiledb.io TileDB - Home Memgraph — A High Performance, In-Memory Graph Database The motivation behind is to provide a tool for rapidly analyzing and using the data that comes from artificial and machine intelligence and the increasing interconnectivity of devices and IoT. The priorities, therefore, are “speed, scale, and simplicity.” Memgraph It’s still early in Memgraph’s life and it isn’t open source but it can be . It supports the openCypher graph query language, supports in-memory ACID transactions, and has a disk-based persistence mechanism. downloaded by request _A graph database bringing developers the simplicity, speed and scale needed to build the next generation of intelligent…_memgraph.com Memgraph | Memgraph - The High Performance, In-Memory, Transactional Graph Database How to Keep Up to Date in Future Enjoy this roundup? I’m doing it every week in , a weekly newsletter devoted to the world of databases and looking at what’s new, what’s on the horizon, and what’s getting updated. Database Weekly _A weekly newsletter about database technologies and systems._dbweekly.com DB Weekly

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A Look at Ten New Database Systems Released in 2017

A Look at Ten New Database Systems Released in 2017

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A Look at Ten New Database Systems Released in 2017

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