Make sure you didn't miss anything with this list of the Best of the Week in the NoSQL Zone (Dec. 13 to Dec. 19). Here they are, in order of popularity:
Much of the NoSQL movement feels like a rebellion against the “old timey” feeling relational databases. The author thought it would be fascinating to dig into the value of relational databases. In short, relational databases were the noSomething, and he aimed to find out what that something was.
One of the things that the author liked in LevelDB is that it pretty much had compression built in from day one. The entire format is built to save space just about wherever it can. LMDB, in contrast, went quite the opposite way.
Some websites are made to inspire debate, and this is one: "NoSQL vs. SQL: SQL is the new NoNoSQL." It contains a side-by-side comparison of SQL and NoSQL in general, answering questions such as "is it based upon a rock-solid theory," "will it still be there in 10 years," "can it scale up," and many more.
Recently, Datablend open-sourced two new Tinkerpop Blueprints implementations: blueprints-mongodb-graph and blueprints-datomic-graph. Tinkerpop is an open source project that provides an entire stack of technologies within the Graph Database space.
This article takes an interesting look at MongoDB by highlighting its limitations, not to criticize or demonize MongoDB, but to clarify weaknesses in order to prevent lack of user understanding from misrepresenting it. In other words, you can't blame a screwdriver for not being a hammer.