Digital currency Seele
data rendancy or information rendancy is an inevitable behavior in proction and life, and there is no general tendency of good and bad
In the application ofdata, data rendancy is adopted for a certain purpose
1. Repeatedly store or transfer data to prevent data loss
2. Code the data rendantly to prevent the loss and error of the data, and provide the function of inverse transformation of the error data to get the original data
3. For example, sending the same information to multiple purposes and storing the same information in multiple locations without data analysis can rece the workload
In order to speed up the processing process, the same data is stored in different places. For example, different contents of the same information are processed in parallel, or the same information is processed in different ways In order to facilitate processing, the same information has different forms in different places. For example, different language versions of a book6. Index of large amount of data is often used in database. Its purpose is similar to point 4
7. Information rendancy of method: for example, every driver should remember the basic traffic information of the same city; A large number of personal computers have similar operating systems or software installed
8. Rendant data for completeness. For example, there are many words in the dictionary, but we only query a few of them. There are many functions in the software, but we only use some of them
9. Regular rendancy. In accordance with the law, system, rules and other constraints. For example, there are a lot of model content in the contract
10. Rendancy for other purposes. For example, repeat information to get attention and so on