Please note that ODB API is provided as beta version and some of its functions and tools can be changed prior to the first full release.
ODB API is a software package developed by ECMWF for encoding, decoding and processing of observational data. It includes a SQL filtering and statistics engine, command line tools and APIs for C/C++, Fortran and Python. ODB API works with data format used in ECMWF observational feedback archive.