InfoQ Homepage NoSQL Content on InfoQ
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RavenDB 2.5 with Dynamic Aggregation and Query Streaming
A stable version 2.5 of the document database RavenDB has been released with dynamic aggregation allowing for complex queries and an Unbounded results API using query streaming to retrieve large result sets in a single request.
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Event Store 2.0 Released with Security Support and the Projections Library in Beta
Version 2.0 of the Event Store, (an Event Source based persistence engine), was released last week with support for security, allowing for lock down of the Event Store and setting up Access Control Lists on event streams. The Projections library is now in beta and more documentation has been added.
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The Database as a Value
During QCon New York 2013, Rich Hickey gave a talk on functional databases. Hickey is well known for creating the Clojure programming language and is currently developing Datomic, which is a functional database. During his talk, Hickey argued that the useful properties of functional languages: data as values and pure functions, are just as useful in the context of databases.
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The Latest Developments in Neo4j
Neo4j has announced Neo4j 1.9 GA and Neo4j 2.0 M03. A new project called Neo4j Mobile for Android intends to bring a graph database to smartphones and tablets.
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NuoDB 1.1 Targets .NET Developers
NuoDB 1.1 includes a ADO.NET driver, LINQ and EF providers, support for Windows 64-bit and Azure, performance improvements.
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Google Unleashes Their Public IaaS Cloud, Adds NoSQL Database
Google has opened the doors to its hotly anticipated Google Compute Engine and is now firmly engaged in the Infrastructure-as-a-Service (IaaS) battle with the likes of Amazon and Microsoft. This week’s Google I/O conference also introduced a new fully managed NoSQL database and the addition of PHP to the Google App Engine Platform-as-a-Service (PaaS).
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FoundationDB NoSQL Database Supports ACID Transactions
FoundationDB database platform combines NoSQL scalability with ACID transactions across all data within the database. FoundationDB team announced last month the availability of its new NoSQL database platform.
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NoSQL Benchmark Compares Aerospike, Cassandra, Couchbase and MongoDB
A recent set of benchmarks compares Aerospike, Cassandra, Couchbase and MongoDB to see how they fare when it comes to insert throughput, maximum throughput, latency and behavior during a failover.
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Gartner's Technology Trends for Information Infrastructure: Big Data, NoSQL and In-Memory Computing
Big Data, NoSQL databases and In-Memory computing are some of the technologies that will play key role in modernizing information management in 2013 and beyond, according to Gartner. A recent report released by Gartner team identifies the top technology trends that will have impact on the information infrastructure and governance.
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Greenplum Pivotal HD Combines the Strengths of SQL and Hadoop
EMC Greenplum has announced Pivotal HD, a new Hadoop distribution including a fully compliant SQL MPP database running on HDFS and being “hundreds of times faster than Hive”.
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A Look at Oracle’s NoSQL Database
Oracle’s key-value database, known simply as “Oracle NoSQL Database” has hit version 2.0. Oracle NoSQL Database is essentially a distributed frontend for Berkeley DB, but it offers much more than that. Support for SQL queries, both absolute and eventual consistency, and the option to reduce storage space using Avro schemas sets it apart.
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10gen: MongoDB’s Fault Tolerance Is Not Broken
A Cornell University professor claims MongoDB’s fault tolerance system is “broken by design”. 10gen responds through its Technical Director, rejecting the claims.
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Riak Gets Better Reliability, Improved IPv6 Support
Riak 1.3.0 RC was recently released, with improved IPv6 support and some interesting features that improve reliability – Active Anti-Entropy and Health Check.
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Phoenix: Running SQL Queries on Apache HBase [Updated]
Salesforce.com has open sourced Phoenix, a Java layer enabling developers to run SQL queries on Apache HBase. Update: An interview on Phoenix with James Taylor, Lead Developer at Salesforce.com, has been appended.
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Simba Technologies is bringing the power of SQL to Cassandra, Hadoop, BigQuery, and MongoDB
At its heart, SQL is a domain specific language designed to allow non-professional programmers to query databases and write ad hock reports. When a company moves from a relational database to a NoSQL offering the need for ad hock reporting doesn’t go away, it just becomes harder. Simba’s ODBC drivers shift the power back into the hands of the users.