Computer program for providing efficient change data capture in a database system

An exemplary embodiment of the present disclosure discloses a computer program stored a non-transitory computer readable storage medium. When the computer program is executed by one or more processors, the computer program performs operations for Change Data Capture (CDC) by one or more processors, and the operations include: extracting a change data from at least one redo log of an online redo log and an archive redo log; analyzing at least one information of a resource utilization rate information and a remain log information of a source database server; and determining to process the change data in one mode of a first mode saving the change data as a CDC file and a second mode recording the change data in a memory, based on at least one of the remain log information and the resource utilization rate information.