What are the three methods of system conversion?

System conversion methods include direct conversion, parallel conversion, and segmented conversion. Direct conversion, this conversion process is simple, fast and low-cost; parallel conversion, this method is safe and secure; segmented conversion, this method can ensure the smoothness and safety of the conversion process, reduce risks, and avoid higher costs.

Answer: There are three ways to convert the system:

(1) Direct conversion.

Advantages: This conversion process is simple, fast, and low-cost;

Disadvantages: The risk is high, and this method is only suitable for the conversion of small management information systems.

(2) Parallel conversion.

Advantages: This method is safe and insured.

Disadvantages: High cost. This approach is suitable for the conversion process of core systems of banks, finance and some enterprises.

(3) Segmented conversion.

Advantages: This method can ensure the smoothness and safety of the conversion process, reduce risks, and avoid higher costs

Disadvantages: There is a connection between the corresponding parts of the new and old systems There is a problem with not smoothing the transformations used in a large number of management information systems this way.

For more related knowledge, please visit PHP Chinese website! !

The above is the detailed content of What are the three methods of system conversion?. For more information, please follow other related articles on the PHP Chinese website!