2011. 8. 25. 11:05 Market Data
TIP. Wallstyouth, May 25, 2007
Opensource DB on steriods MonetDB - http://monetdb.cwi.nl/ not very good for time series data as k but its much better than most of the opensource stuff available today
Checkout HDF5 its opensource but API only - http://hdf.ncsa.uiuc.edu/whatishdf5.html it works very well with Esper Esper -
Cheaper than kdb but comes very close in speed Time Series Database - Xenomorph Database (XDB)
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