Data quality audit method based on database schema
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
- Publication Date
- 2012-07-25
- Estimated Expiration
- Not applicable Β· inactive patent
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Abstract
Description
technical field
[0001] The invention relates to the technical field of data quality auditing, in particular to providing a data quality auditing method based on a rule parser in a database mode. Background technique
[0002] In the massive power metering data, through the establishment of a data warehouse or data mart system, the massive concentration, calculation, data mining, and predictive analysis of various data can be realized. And these basic source data are generally considered to be correct. However, in the actual process, we found that through the analysis of the province's metering automation master station system, there may be data anomalies and errors in the process of data collection, data uploading, and final data intermediate calculation of each source data. For example: the master station metering data is missing due to the inability to collect remote terminal data, or the availability and reliability of system data is reduced due to business management and...