US Patent 8935207 Inspecting replicated data

Disclosed is system for monitoring data changes during a data replication process. The system includes a modeling module configured to select tables and fields to be monitored during execution of the data replication process, a trigger module configured to track changes of data being generated during execution of a program by inserting triggers into a destination system at the start of a program execution and then dropping the trigger at the end of program execution, a snapshot module configured to track changes of data being generated during execution of a program by generating a snapshot of data at the beginning and the end of program execution, and a report module configured to generate a report indicating changes in data based on the changes in data indicated by the triggers and based on the changes in data indicated by the snapshots of data.