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  • Introduction to MongoDB for Java, PHP and Python Developers

    The NoSQL movement is here to stay. The need for reliable storage that can be easily queried and easily scalable without the pain of SQL schema migration is real. Developers want more agile systems. This article uses MongoDB to introduce NoSQL concepts. This article covers the basics of MongoDB architecture, caveats and programming in MongoDB for Java, PHP, and Python developers.

    Rick Hightower
    on May 22, 2012

  • MongoDB, Java and Object Relational Mapping

    Brian C. Dilley covers pitfalls, & strengths of using MongoDB ("a very approachable NoSQL solution"), and introduces MJORM. The MJORM project is an annotation free MongoDB Java ORM library. This article builds on Brian's real world in the trenches experience with MongoDB and includes "gotchas" like "Don't treat MongoDB like an RDBMS...", how to "design your indexes carefully", and more.

    Brian C. Dilley
    on Apr 30, 2012

  • Evolution in Data Integration From EII to Big Data

    With the emergence of inexpensive cloud-based storage and cost-effective ways to process large volumes and complex data there has been a shift in approach toward data integration.

    JP Morgenthal
    on Feb 22, 2012

  • Implementing Lucene Spatial Support

    Lucene geospatial extension proposed in this article is based on a two level search – first level search is based on Cartesian Grid search and the second level implements shape specific spatial calculations

    Boris Lublinsky
    on Jan 13, 2012

  • Exploring Hadoop OutputFormat

    As more companies adopt Hadoop, its integration with other applications is becoming more important. A key to such integration is usage of the appropriate OutputFormat allowing to produce output data in a form most appropriate for other applications.

    Jim.Blomo
    on Dec 07, 2011

  • Virtual Panel: Security Considerations in Accessing NoSQL Databases

    NoSQL databases offer alternative data storage options for storing unstructured data compared to traditional relational databases. Though the NoSQL databases have been getting a lot of attention lately, the security aspects of storing and accessing NoSQL data haven't been given much emphasis. This article focuses on the security considerations and best practices in accessing the NoSQL databases.

    Srini Penchikala
    on Nov 15, 2011
  • AI, ML & Data Engineering

    Uncovering mysteries of InputFormat: Providing better control for your Map Reduce execution.

    In their article authors, Boris Lublinsky and Mike Segel, show how to leverage custom InputFormat class implementation to tighter control execution strategy of Maps in Hadoop Map Reduce jobs.

    Boris Lublinsky Mike Segel
    on Nov 04, 2011

  • Finding the Right Data Solution for Your Application in the Data Storage Haystack

    With the recent NoSQL movement there are several alternative data storage solutions available compared to the traditional relational databases. In this article, author Srinath Perera discusses the various data storage options and what to consider when choosing each of these solutions.

    Srinath Perera
    on Oct 26, 2011

  • Extending Oozie

    In this article authors show how leverage Oozie extensibility to implement custom language extensions. This approach can be viewed a specializing workflow language for a given company/line of business.

    Boris Lublinsky Mike Segel
    on Aug 02, 2011
  • AI, ML & Data Engineering

    Using Entity Framework to Successfully Target Multiple Databases

    Yevhen Shchyholyev discusses some of the problems that the user may face in the process of developing an application with Entity Framework that interacts with Oracle, MySQL, PostgreSQL or SQLite as well as SQL Server. It is intended to be useful to both developers using one of these databases for the first time as well as for those who regularly interaction with multiple databases.

    Yevhen Shchyholyev
    on Jul 25, 2011

  • Oozie by Example

    End to end Oozie example, including process design, resource coordinator and workflow implementation

    Boris Lublinsky Mike Segel
    on Jul 18, 2011

  • Omnipresent Synching and Availability with Mobile Couchbase

    Omnipresent synchronisation will be easy with CouchDB not only hosted as server side database but also being embedded in mobile applications. Couchbase made the NOSQL Document Database available for the mobile platforms to enable developers to benefit from the replication and offline capabilities while using the convenient and uniform HTTP based protocol to interact with it locally or remotely.

    Michael Hunger
    on May 24, 2011
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