Data query method and system based on Key-Value data blocks
A data query and data block technology, applied in the fields of databases, cloud computing, and the Internet of Things, can solve the problems of low read and write efficiency of relational databases, no support for structured and complex queries, and a large number of machines, so as to improve query efficiency and expand performance, improve reading and writing efficiency, and have strong versatility
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[0046] Perception data collected by the Internet of Things generally includes sensor data collected by sensors and data used to describe attributes. The present invention clusters the sensing data according to the attribute dimension, stores the sensing data of the same attribute dimension in the same data block, uses the selected data aggregation dimension as the attribute information corresponding to the data block, and uses Key-Value to manage the internal data of the data block The data model, the storage location of data blocks and their corresponding attribute information are managed by relational databases, which can support massive data scale, achieve high efficiency within data blocks, reliability between data blocks, and good scalability.
[0047] The data query method based on the Key-Value data block of the present invention includes data management and data query. The data management is to select the dimension of data aggregation according to the attributes of the ...
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