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Determining what database product best fits the requirements and limitations in a specific situation. This is advice that generally requires much more insight into requirements than can easily be gleaned on a Q&A forum such as StackExchange.

9
votes
To be very fast, the database should only use memory and not disc since disc operations usually takes much longer time. But then your data aren't persistent in case of a crash. What you could do is as …
answered May 29 '11 by Jonas
61
votes
NoSQL stands for "Not only SQL" and usually means that the database is not a relational database, which have been very popular the last decades. The reason why NoSQL has been so popular the last few …
answered Jan 4 '11 by Jonas
1
vote
There is no problem to do this in a traditional relational SQL database. For revision control, you can have two tables, one with all current versions, and one with historical versions. When you want t …
answered Sep 29 '11 by Jonas