US Patent 11704335 Data synchronization in a data analysis system

A computer implemented method comprises receiving at least one log record. A type of operation performed in a source database system may be determined based on the log record. Based on the type of operation, an update strategy may be selected from a set of pre-defined update strategies, wherein the update strategy specifies a sequence of replication operations to be performed in order to apply changes described in the at least one log record to a target database system.