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Block chain data processing method, device and equipment supporting relational retrieval

A technology that supports relational and data processing. It is applied in relational databases, digital data processing, and special data processing applications. It can solve problems such as reducing query reliability, achieve powerful transaction processing functions, reduce data redundancy, and simplify data maintenance. The effect of work

Active Publication Date: 2019-08-06
XIDIAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method generates monitoring computing overhead and additional data storage overhead, and reduces the reliability of the query (query data is separated from the blockchain)

Method used

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  • Block chain data processing method, device and equipment supporting relational retrieval
  • Block chain data processing method, device and equipment supporting relational retrieval
  • Block chain data processing method, device and equipment supporting relational retrieval

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] It should be noted that the terms "first" and "second" in the specification, claims and drawings of the present invention are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such...

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Abstract

The invention relates to a block chain data processing method supporting relational retrieval. The method comprises the steps of obtaining transaction data and block head data in block chain data; storing the transaction data into a preset transaction table of a first preset database, the first preset database being a block chain underlying database, and the preset transaction table being providedwith a block number field; storing the block header data in a preset block table of the first preset database, wherein the preset block table is provided with a block number field; and establishing amapping relationship between the transaction data and the block header data based on the block number field. By implementing the method and the device, the block chain data can support fine-grained content-based retrieval of a transaction level, and meanwhile, the block chain data can support SQL (Structured Query Language), and complicated query operation can be carried out.

Description

technical field [0001] The invention relates to block chain data management, in particular to a block chain data processing method, device and equipment supporting relational retrieval. Background technique [0002] Blockchain is the core cutting-edge technology for realizing smart cities, smart medical care, e-government, etc. It has the characteristics of traceability and verifiability. However, its only append-type characteristics lead to its data expansion, and it is urgent to propose an efficient data organization and management mechanism. . The existing blockchain technology adopts a simple key-value model, the data is unstructured, and the type of retrieval supported is single, making it difficult to organize and utilize blockchain data. Therefore, it is necessary to use a relational database to manage the underlying data of the blockchain, so that it can support SQL queries, thereby enabling efficient retrieval, and supporting complex queries, which enriches the ret...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/2455G06F16/28G06F16/27G06F16/23
CPCG06F16/2455G06F16/284G06F16/27G06F16/2365Y02D10/00
Inventor 彭延国王玉超李胜东崔江涛夏小芳
Owner XIDIAN UNIV
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