Data processing system

The invention provides a data processing system which comprises a database and a processor, an original data table, a metadata table and a target value query table are stored in the database, the original data table is used for storing a plurality of records and comprises an object unique identifier (OID) corresponding to each record, a data source unique identifier (SID), report time and n time-related attributes corresponding to the OID, and n abnormal marks corresponding to the n attributes; updating time intervals corresponding to the n attributes in the original data table are stored in the metadata table; the processor is in communication connection with the plurality of data sources, and is used for determining whether a record is untrusted data when any record is received, and determining a target value of a target attribute in the record when the record is determined to be the untrusted data. The statistical result can be as accurate as possible. 本发明提供了一种数据处理系统，包括：数据库和处理器，数据库中存储有原始数据表、元数据表和目标值查询表，原始数