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The "UseCases" page has been changed by ThomasBoose. http://wiki.apache.org/cassandra/UseCases?action=diff&rev1=11&rev2=12 -------------------------------------------------- == Simple time-series with roll-ups == [[https://www.cloudkick.com/blog/2010/mar/02/4_months_with_cassandra/|Cloudkick]] implements time-series down at the second-level with roll-ups. + == An implementation of some DBMS rules written in python using pycassa + We have created a DBMS layer that handles references to other columnfamilys (foreign keys), Automatic reverse linking. required fields in columnfamilys and datatypes (long and datetime). It wraps the get, get_range, insert, remove funtions of pycassas columnfamilys. At this time it is limited to: on delete cascade and positive long numbers but this could change if there is enough interest. It suits our project. + + [[ThomasBoose/dbms%20implementation]] + + Based on this article + + [[ThomasBoose/EERD model components to Cassandra Column family's]] +
