Guest post by Google has quietly announced Fusion Tables, a new online database designed to sidestep the limitations of conventional relational databases. Fusion Tables, announced on Google’s Research Blog, has been built to simplify a number of operations that are notoriously difficult in relational databases, including the integration of data from multiple, heterogeneous sources and the ability to collaborate on large data sets, according to Google. Under the hood of Fusion Tables is data-spaces technology, a concept has been around since the early 1990s and that Google has been developing it since it acquired Transformic in 2005.