Contents tagged with Open Source
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An Introduction to Document Databases
When most people say database, they mean relational database. Edgar Codd defined and coined the term at IBM's Almaden Research Center about 40 years ago. Since that time, relational databases have become the foundation of nearly every enterprise system. However, Internet-scale systems have begun to push the limits of this venerable technology. What has sprung up to fill the need? Various next generation databases addressing some of the following points: being non-relational, distributed, and horizontal scalable. These attributes are characteristics of the "NO SQL" movement. In this case, NO stands for "Not Only". So how many NO SQL databases are there? More than I care to count. But most of the fall into the following categories: Document, Graph, Key/Value, and Tabular/Wide Column.
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Subversion 1.5 brings merge improvements & more
My shop has been using Subversion for a number of years. It is a reliable tool and works well for our team. One area that Subversion could handle better is tracking merge information. Our team is always working on multiple feature branches and merging those changes back into the main line of development. The current merge support works fine (most of the time), but doesn't handle complex situations well.