ODS (Operational Data Store) is an integrated database of operational data. Its sources include legacy systems and it contains current or near term data. A typical ODS may contain 30 to 60 days of information, while a data warehouse typically contains years of data.
-The CDR (Call Details Record and also knows as Call Data Record) is a data record produced by a telephone exchange or other telecommunications equipment that contains attributes that are specific to a single instance of a phone call or other communication transaction that was handled by that facility or device. It is the automated equivalent of the paper toll tickets that were written and timed by operators for long-distance calls in a manual telephone exchange.