A method and device for data migration

A data and database technology, applied in the information field, can solve the problems of high data migration cost and low efficiency, and achieve the effect of flexible system upgrade, reduced efficiency and cost, and reduced time for stopping services

Pending Publication Date: 2018-12-18
ADVANCED NEW TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0021] The embodiment of this specification provides a method and device for data migration, which is used to solve the problem of high cost and low efficiency of data migration in the prior art when upgrading complex systems

Method used

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  • A method and device for data migration
  • A method and device for data migration
  • A method and device for data migration

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Embodiment Construction

[0047]In order to make the purpose, technical solution and advantages of this specification clearer, the technical solution of this application will be clearly and completely described below in conjunction with specific embodiments of this specification and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the description, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present application.

[0048] The technical solutions provided by various embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

[0049] figure 2 A data migration process provided for the embodiment of the description may specifically include the following steps:

[0050] S200: Suspend receiving services.

[0051] In ...

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Abstract

The invention discloses a method and a device for data migration. When the data migration is carried out, the receiving service is paused first, and the first database is converted according to the conversion rule to obtain a second database. Thereafter, the second database can be verified while performing the service based on the first database without waiting for the verification result of the second database, and the second database can be updated according to the service execution result and the conversion rule in order to maintain the consistency of the first and second databases. That is, the first and second databases are double-written. At last, when that verification is passed, it is determined that the data migration is complete, and the second database is enabled for executing the service.

Description

technical field [0001] The present application relates to the field of information technology, in particular to a data migration method and device. Background technique [0002] A database is a warehouse that organizes, stores and manages data according to its data structure. In the information society, through database management of data resources, resources can be fully and effectively utilized. [0003] With the advancement of technology and the improvement of market demand, the system used by service providers to perform business has become more and more complex, so that the database also needs to be continuously updated to match the demand of the system. For example, assuming that a certain system only processed A and B services before, the required stored service data only needs to support the processing of A and B services. It is further assumed that after the system is updated, the business types that need to be processed become A, B, and C, and the business data s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 陈银平
Owner ADVANCED NEW TECH CO LTD
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