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How to realize the flexible query of blockchain?
2022-02-03 20:54:00 【Q & A of Denglian community】
I want to store the user's behavior log data on the private chain , Then you can view the data by specifying the time range specified by the user . for example ： To view the user XXXX Of 2020 Log data for the year . How can I write the contract data structure ？
Take the answer 1：
Whether this application blockchain can be developed into “ Specific application chain ”, That is, there is a special processing flow and storage data structure . For field flexibility, refer to K/V as well as mongo Characteristics of .
Other answers 1：
author[Q & A of Denglian community],Please bring the original link to reprint, thank you.
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