InfoQ Homepage AI, ML & Data Engineering Content on InfoQ
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'Denali' No More: SQL Server 2012 Announced, Focuses on BI and Big Data
Microsoft announced that the next version of SQL Server, known by the codename "Denali", will be called SQL Server 2012. It will feature the big data capabilities of Apache Hadoop and Power View, a touch-based business intelligence tool.
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Does NoSQL have an impact on REST?
Statelessness has been a central principle of RESTful design and implementation. However, with the advent of NoSQL implementations, Ganesh Prasad wonders whether that is no longer true and suggests that REST+NoSQL offers a way to remove this restriction, providing stateful sessions, scalability and fault tolerance.
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Usergrid: a New Open Source Platform for Mobile and Rich Client Applications
Last week, Ed Anuff, founder of Usergrid, announced the first source code release available on GitHub. Usergrid is a comprehensive platform stack for mobile and rich client applications. It can be deployed as a highly scalable Cloud service, it is built in Java and runs on top of Cassandra.
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Spring Roo 1.2 M1: Apache Licensed with JPA Repositories, MongoDB and Services Layer
SpringSource has released Spring Roo 1.2.0.M1. This release has improved performance, is released under ASL 2, is hosted in GitHub, supports JPA and MongoDB Repositories, supports a services layer, has improved GWT support, has multi-schema DBRE, and has shell improvements.
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MIT introduces Oracle for Object-Oriented Programmers
In a recent news article the Massachusetts Institute of Technology has introduced a technology for automatically remembering connections between objects. The provided system determines how objects in a large software project interact, so it can inform latecomers which objects they will need to design certain types of functions.
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Oracle Joins the NoSQL Club
Oracle has announced the Big Data Appliance running with Oracle NoSQL Database, a new key-value store based on Oracle Berkeley DB Java Edition. Some of features include: billions of rows of storage capacity in records and terabytes in B-tree, ACID transactions, CRUD, sharding, no single point of failure, disaster recovery via datacenter replication.
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William McKnight on Columnar Databases
Columnar databases offer better data storage capabilities for certain business use cases compared to the traditional relational database management systems. William McKnight spoke at NoSQL Now 2011 Conference last week about the columnar databases and how they can be effective for certain data storage needs.
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Windows Server AppFabric adds Read-Through and Write-Behind Support
The new Read-Through and Write-Behind support in AppFabric 1.1 allow developers to improve performance while at the same time reduce the complexity of their applications. This is done by moving the logic for reading from and writing to the database into the caching server itself. Other improvements include lazy-loading of session state information and support for ASP.NET output caching.
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Interview: Richard Hipp on UnQL, a New Query Language for Document Databases
This interview with Richard Hipp, creator of SQLite, unveils the details of UnQL, a new query language for JSON document databases. Hipp mentions UnQLite, an embedded document database he plans to create.
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Google Has Open Sourced LevelDB, A Key-Value Datastore
Google has open sourced LevelDB under the New BSD license. LevelDB is an embedded key-value datastore whose keys and associated values are arbitrary byte arrays sorted by key, a sorting mechanism that can be overridden. The datastore is pretty simple, accepting Put, Get, and Delete commands along with forward and backward iterations.
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CassandraSF2011: Progress and Futures
Johnathan Ellis keynoted at Cassandra SF 2011. Ellis reviewed accomplishments including better support for multi-data center deployments, optimized read performance, included integrated caching and improved client APIs including a SQL-like language CQL. Looking forward, Ellis emphasized polish - efficient database repair, storage compression, optimized performance and an expanded CQL language.
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Cassandra Indexing Guidelines from CassandraSF2011
Ed Anuff reviewed Cassandra's built-in secondary indexes, noting that they don't work well for high cardinality values, require at least one equality comparison and return unsorted results. Anuff presented patterns for alternative indexing including wide rows and tables that use Cassandra 0.8.1's new composite comparator operators to overcome these limitations.
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MapR Releases Commercial Distributions based on Hadoop
MapR Technologies released a big data toolkit, based on Apache Hadoop with their own distributed storage alternative to HDFS. The software is commercial, with both a free edition, M3, as well as a paid edition, M5. M5 includes snapshots and mirroring for data, Job Tracker recovery, and commercial support. MapR's M5 edition will form the basis of EMC Greenplum's upcoming HD Enterprise Edition.
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Yahoo Hadoop Spinout Hortonworks Announces Plans
Yahoo spun-out its core Hadoop team, forming a new company Hortonworks. CEO Eric Baldeschwieler presented their vision of easing adoption of Hadoop and making core engineering improvements for availability, performance, and manageability. Hortonworks will sell support, training, and certification, primarily indirects through partners.
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Big Data – The Next Frontier
According to the new report from McKinsey Global Institute, Big Data is becoming a factor of production like physical or human capital.