Data storage and retrieval method and device, computer equipment and storage medium
A data storage and data technology, applied in the field of data processing, can solve the problems of large storage space and low retrieval efficiency, and achieve the effects of small space occupation, improved space utilization, and reduced total space occupation.
Active Publication Date: 2021-03-19
CCB FINTECH CO LTD
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[0004] The embodiment of the present invention provides a data storage and retrieval method to solve the problems of large storage space and low retrieval efficiency in data storage and retrieval in the prior art technical problem
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[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.
[0028] In an embodiment of the present invention, a data storage and retrieval method is provided, such as figure 1 As shown, the method includes:
[0029] Step 102: Huffman coding the original data;
[0030] Step 104: store the encoded data;
[0031] Step 106: receiving the retrieval keyword, and performing Huffman coding on the retrieval keyword;
[0032] Step 108: Use the encoded search key to search the encoded data to obtain the encoded search data;
[0033] Step 110: Decode the encoded retrieval data to obtain the original data of the retrieval data.
[0034] Depend on figure 1 It c...
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The embodiment of the invention provides a data storage and retrieval method and device, computer equipment and a storage medium. The method comprises the steps: carrying out the Huffman coding of original data; storing the encoded data; receiving a retrieval keyword, and carrying out Huffman coding on the retrieval keyword; retrieving in the encoded data by using the encoded retrieval keyword toobtain encoded retrieval data; and decoding the encoded retrieval data to obtain original data of the retrieval data. According to the scheme, the total occupied space required for storing the whole text is reduced, and then the space utilization rate is increased; meanwhile, retrieval is carried out in a coding mode, due to the fact that the occupied space of coding is small, retrieval is carriedout in a small data space, reduction of memory expenditure needed by retrieval is facilitated, and meanwhile the retrieval speed and the retrieval efficiency are improved.
Description
technical field [0001] The invention relates to the technical field of data processing, in particular to a data storage and retrieval method, device, computer equipment and storage medium. Background technique [0002] Today's society has stepped into the era of big data, and more and more data is stored in our computer equipment. The memory of the computer has also gradually developed from the previous few megabytes to the current tens of GB, and the computer hard disk has also developed from the hundreds of megabytes to the current hundreds of TB. With the geometric growth of the amount of stored data, we need to continuously increase the capacity of storage devices to store the growing data, and also need new methods to increase the speed of retrieving stored data. [0003] The existing method is to store the data in the device after being directly encoded with a common encoding (for example, UTF8, Unicode, GBK, etc.). We know that a Chinese character occupies 2 bytes u...
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IPC IPC(8): G06F16/31G06F16/33G06F40/126
CPCG06F16/31G06F16/33G06F40/126
Inventor 黄俊龙邵小亮徐文静郑坚刚
Owner CCB FINTECH CO LTD