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Built-in database based high-efficient data deleting and restoring method

A recovery method and database technology, applied in the direction of data error detection, electrical digital data processing, special data processing applications, etc., can solve the problems of accidental deletion of customer data, failure to restore the recovery effect, etc., to achieve The effect of lowering the threshold and increasing the possibility of erroneous operation

Active Publication Date: 2012-07-11
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0023] The object of the present invention provides a kind of high-efficiency data deletion and recovery method based on embedded database, successively through data packet generation step, data packet storage step, data packet damage detection conversion step, data packet deletion detection step, data packet comparison association step and The data packet dynamic monitoring recovery step solves various technical problems in the prior art that may lead to accidental deletion and loss of customer data and cannot be recovered or the recovery effect is poor. Through the remote support with the server, the user's data recovery ability can be maintained for a long time, thereby effectively reducing the risk of the user's data loss in the operation of the embedded operating system and providing convenience for the user

Method used

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Examples

Experimental program
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Embodiment 1

[0039] An efficient data deletion and recovery method based on an embedded database, wherein the method comprises the following steps in sequence:

[0040] Step 1, data packet generation: Embedded database is created unified access interface function, interface proxy module, interface service module, wherein the interface proxy module is set to be used for recording the interface access control block of interface and application identification information; Start embedded equipment, Scanning the tags of the data blocks in the embedded database sequentially, wherein the data packet is obtained by sequentially sampling the data on the scanning time axis; determining the storage area to be protected; The data block is divided into a plurality of data groups, and a characteristic serial number is added to each data group to form a plurality of data packets, and the characteristic serial number includes the data type of the data packet, the frame and / or field to which it belongs;

...

Embodiment 2

[0047] An efficient data deletion and recovery method based on an embedded database, wherein the method comprises the following steps in sequence:

[0048] Step 1, data packet generation: Embedded database is created unified access interface function, interface proxy module, interface service module, wherein the interface proxy module is set to be used for recording the interface access control block of interface and application identification information; Start embedded equipment, Scan the tags of the data blocks in the embedded database in turn; determine the storage area to be protected; then divide the data blocks in the storage area to be protected into multiple data groups, and add a characteristic sequence number to each data group To form a plurality of data packets, the characteristic sequence number includes the data type of the data packet, the frame and / or field to which it belongs, and the data packet stores text data, video data or audio data;

[0049] Step 2, da...

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Abstract

The invention relates to a built-in database based high-efficient data deleting and restoring method, which sequentially includes a packet generating step, a packet storing step, a packet damage detecting and converting step, a packet deletion detecting step, a packet relevance comparing step and a packet dynamic monitoring and restoring step. Accordingly, the technical problem that data which are accidentally deleted and lost possibly cannot be restored or are poor in restoring effect in the prior art is solved, the function of instantly thoroughly restoring deleted data caused by misoperation of users is realized and can be kept for a long time by remote support of a server, and risk in data loss of operation of a built-in operation system for users is effectively reduced and convenience is provided for the users.

Description

technical field [0001] The invention belongs to the technical field of computer data processing, in particular to an efficient data deletion and recovery method based on an embedded database. Background technique [0002] With the continuous development of science and technology, people's requirements for computer data deletion and recovery continue to increase. Among them, the extended file allocation table is a file system released by Microsoft in 2006 that can replace Fat16 and Fat32. [0003] A hard disk typically includes a certain number of user data areas, preceded by synchronization information including a preamble and a data sync pattern. The preamble is used to synchronize phase and frequency during asynchronous reads, while the data sync pattern is used to define the starting point of a series of user data. In operation, the circuit searches for a data synchronization pattern and processes a series of sequentially received data samples obtained at locations assoc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06F11/14
Inventor 战炜
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