Patent ID: 6782085
Filing Date: 2004-08-24
Classification: H04M

Abstract:
A database system comprisinga) a first database and second database, wherein the second database contains records each containing call detail data for a respective call, different ones of the records in the second database having differing numbers of fields and having differing field formats, and wherein the first database contains records each corresponding to a different one of the records in the second database, the records in the first database having a consistent format, each record in the first database containing at least a portion of the call detail data of the corresponding record in the second database and at least ones of the records in the first database containing only a portion of the call detail data of the corresponding records in the second database, b) a database management system arranged to index at least one of the fields of the records in the first database and for utilizing the resulting indexing to retrieve records from the first database in response to queries, and c) means operative in response to retrieval of a record from the first database for retrieving the corresponding record in the second database utilizing at least one piece of call detail data contained in the retrieved record to identify a location in the second database at which the corresponding record is stored.