Databases

10 Excellent Free Linux Relational Databases

A relational database matches data using common characteristics found within the data set. The resulting groups of data are organized and are much easier for people to understand. In such a database the data and relations between them are organised in tables. A table is a collection of records and each record in a table contains the same fields. Certain fields may be designated as keys, which means that searches for specific values of that field will use indexing to speed them up.

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Big Data

4 Native XML Databases for Big Data

Big Data is an all-inclusive term that refers to data sets so large and complex that they need to be processed by specially designed hardware and software tools. The data sets are typically of the order of tera or exabytes in size. These data sets are created from a diverse range of sources: sensors that gather climate information, publicly available information such as magazines, newspapers, articles. Other examples where big data is generated include purchase transaction records, web logs, medical records, military surveillance, video and image archives, and large-scale e-commerce.

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Big Data

9 Key Value Stores for Big Data

This is the fourth article in our series identifying the finest open source software for Big Data. The earlier articles covered Search Engines, Data Analysis tools and File Systems. This feature highlights the finest open source key value stores. Hopefully, there will be something of interest for anyone who needs to store millions of data records, to help in statistical or real-time analysis.

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