区块链的数据库,区块链数据库中存在的哪两种记录?

区块链是一种分布式数据库，它可以提供去中心化的信息存储和交换服务。它的数据库中存在两种记录：交易记录和区块记录。

交易记录是每笔交易的完整记录，包括发送方、接收方、交易金额以及交易时间等信息。这些交易记录被存储在区块链网络中，每个节点都可以查看并验证这些记录。

区块记录是每个区块中存储的交易记录的集合。每个区块都有一个唯一的哈希值，它是由之前一个区块的哈希值和当前区块的交易记录组成的。这种结构使得区块链网络更加安全，因为更改一个区块的信息就意味着更改整个区块链的信息。

区块链的数据库结构使得它可以用于存储大量的数据，并且可以支持高效的数据查询和交换。由于它的去中心化特性，它可以更有效地保护数据的安全性，并且可以更容易地实现信息共享和数据交换。

总之，区块链的数据库中存在两种记录：交易记录和区块记录。它们共同构成了区块链的去中心化特性，使得它可以更有效地存储和交换大量的数据，从而为用户提供更安全、更可靠的服务。

A. Which one is better to use, blockchain or database?

Blockchain is a distributed data storage, point-to-point transmission, consensus mechanism, and template. New application models of computer technologies such as encryption algorithms. Blockchain is an important concept of Bitcoin.

It is essentially a decentralized database. As the underlying technology of Bitcoin, it is a series of cryptographic methods. Each data block generated by Orange Association contains a batch of Bitcoin network transaction information, which is used to verify the validity of the information (anti-counterfeiting) and generate the next block.

(1) Extended reading of blockchain database tables

Most public blockchain chains are limited by scalability. The biggest feature of blockchain technology is decentralization, which requires all ledgers in the network to handle the accounting process. Distributed accounting has high security, low misoperation rate, and is also politically neutral and correct.

However, while blockchain technology embraces these characteristics, it sacrifices scalability, cannot meet personalized supervision, and is slightly insufficient in protecting data privacy. Moreover, as the number of ledgers increases, the interaction delay will increase exponentially, which means that the more ledgers in the blockchain network, the higher the latency will be.