Data recovery method and device applied to database

A technology of a data recovery device and a recovery method, which is applied in the computer field, can solve the problems of reducing the user experience of the front-end users, the database cannot operate normally, and consumes a long time, so as to reduce the data recovery time, shorten the interruption duration, and reduce the data loss. The effect of throughput

Inactive Publication Date: 2015-07-08
BEIJING QIHOO TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the recovery process of backup data takes a long time, which will cause the database to fail to operate normally for a long time, causing the front-end service to be interrupted for a long time, greatly reducing the user experience of the front-end

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  • Data recovery method and device applied to database
  • Data recovery method and device applied to database

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Embodiment Construction

[0022] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are only used to explain the present invention, and cannot be construed as limiting the present invention.

[0023] Those skilled in the art can understand that, unless specifically stated otherwise, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the term "comprising" used in the specification of the present invention refers to the presence of the described features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, eleme...

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Abstract

The invention provides a data recovery method and device applied to a database. The method includes the steps that a data recovery request is received; binary system log information corresponding to the data recovery request is determined; the binary system log information is analyzed and converted into first text information; the first text information is reversely analyzed and converted into second text information; data are recovered based on the second text information. According to the scheme, as only the binary system log information in the time interval to be recovered is converted, the data processing amount is greatly reduced, and the data recovery time of the database is effectively shortened; when data misoperation and other conditions occur, the duration for interrupting front end service can be shortened, and the use influence on a front end user is greatly reduced.

Description

Technical field [0001] The present invention relates to the field of computer technology. Specifically, the present invention relates to a data recovery method and device applied to a database. Background technique [0002] In the information age, the importance of data to people is self-evident, and then a database that organizes, stores and manages data according to the data structure has emerged. Database technology is the core part of various information systems such as management information systems, office automation systems, and decision support systems, and is an important technical means for scientific research and decision management. Many system applications use a database to store various information. The applications in the system can write information to the database through database commands, and can also read required information from the database through database commands. Therefore, the data stored in the database is of extremely high importance. If a user miso...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14G06F17/30
Inventor 李丹
Owner BEIJING QIHOO TECH CO LTD
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