What is ODB?
ODB (Observation DataBase) is a database developed at ECMWF to store and retrieve large volumes of meteorological observational and feedback data efficiently for use within the IFS.
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- ODB-1 (the original hierarchical table format capable of running in a parallel environment within IFS)
ODB-2 (a new flat format with a modern API used for archiving in MARS).
Data from an ODB can be extracted using the ODB/SQL query language, which is generally a small subset of SQL with some useful extensions.
The home of the software is ODBODB software can be found here.
How to use Metview with ODB?
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The meta-data and data contents of an ODB can be inspected with the interactive ODB Examiner. ODB Examiner, which can be either started up from user interface (right-click examine on the icon) or from the command line using the following command:
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There are two more Metview icons associated with ODB: the ODB Filter icon
that can perform an ODB/SQL queryresulting in a new ODB and the ODB Visualiser icon
with which ODB data can be visualised (and optionally filtered) in various plot types.
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