Deploying and Managing Apama Applications > Using the Apama Database Connector > Configuring the Apama database connector > Codecs
Codecs
By default, the ADBC adapter uses the standard Apama NullCodec. During playback, if your application needs to modify, aggregate or perform analytics on events, you can create and specify IAF codecs to perform these operations instead of using the standard NullCodec. For example, capital market applications might convert quote to depth events during playback from a market database. You define the logic for performing this type of conversion in the codec.
For more information on developing codecs, see "C/C++ Codec Plug-in Development" and "Java Codec Plug-in Development" in Developing Adapters (available if you selected Developer during installation).
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