The data strategy position of the Credit Card Center of the Agricultural Bank of China is very good. This type of technical data person is at the core among data people. They know the table structure of the source system best. Only they can write the data extraction script of the source system. They are also the busiest, especially the technical data person related to the business system. They usually Mainly responsible for system development and operation and maintenance. Only after get off work, continue to deal with data extraction needs and write data extraction scripts for business systems. The other type is the operation position in the data center. The work of this type of data person is relatively simple. They receive scripts, execute scripts, and return data. Their usual job is to monitor the operation of the system and troubleshoot problems according to the operation and maintenance manual when abnormal alarms occur. If it cannot be resolved, report the problem and contact system development colleagues for assistance. Nowadays, a large part of the energy needs to be dealt with the needs of data extraction. There is also an increasingly popular category of data analysts, who usually have a background in mathematics or statistics and are good at data analysis and modeling. After obtaining the extracted production data, they conduct analysis and modeling to draw conclusions to guide business decisions.