Amazon.com, Inc.
Dynamic aggregation of data from separate sources

Abstract:

Generally described, one or more aspects of the present application correspond to techniques for dynamically aggregating data records from separate sources. The data merging process can be implemented by an aggregation computing resource that uses a lockstep paging system to query multiple database platforms for the same range of records, merges the records returned by the database platforms, and continues identifying a next range of records for which the database platforms should be queried until all records have been merged into a single listing. These techniques can be used to unify records during a database migration process.