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A. The blockchain has an embedded database with a more rigorous data operation method. What functions does it support?
Add and query.
According to the test questions, the blockchain has an embedded database, the data operation method is more rigorous, and it supports the () function. A. Update. B. Delete. C. increase. D. Query. The answer is C or D. Therefore, it supports adding Wu Song and query functions.
Blockchain is actually equivalent to a disintermediated database, which is composed of a series of data blocks. Each of its data blocks contains information about a Bitcoin network transaction, which is used to verify the validity of its information and generate the next block.
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