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Databases are where we store our data in a structured, secure and retrievable way.The way we store and handle our data, our most important assets, is often crucial for us, at least when something goes wrong or the data is damaged or destroyed. The problem is to choose then one that best suits our needs. Big, small, free, with, or without support? Should it be relational or object oriented or something else ?
Commercial = Has a license cost, Free = Non Commercial, Open Source and GPL databases, normally free for all purposes, The Rest = Commercial, Shareware or less known databases with a mix of different licenses, some freely distributed, others cost. Commercial database vendors often have a free "personal editions", "developers editions", "single user" or allow their products to be used free of charge at home or in non-commercial applications. This is a way to allow users and developers to evaluate the software, develop and port applications, to their specific database, without making a large initial investments. |
Please Note, this is not a complete list in any way. Vendors, publishers and licenses change all the time. The list probably contains errors because of some misunderstanding on my part. I apologise for these errors and if you find any please give me a mail and I will correct the faulty information. Do not take these feature markings as a real comparison, these features differs from database to database, version to version and the features can be implemented and have very different consequences in a "live" applications. Use these marking just as an indication of how mature the software is.
List of UML ToolsFor Linux development tools and ide's look at this list:
Linuxmafia.com
References to Gpl=The General Public License,
Gnu License
Open source, and Shareware occur in the text |