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Database migration method and device thereof

A database and data technology, applied in the relational database, database model, database distribution/replication, etc., can solve the problem of not providing automatic migration technology from relational database to graph database, and achieve the effect of reducing manpower input

Inactive Publication Date: 2016-07-27
SAMSUNG SDS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no automated migration technology from relational databases to graph databases

Method used

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  • Database migration method and device thereof
  • Database migration method and device thereof
  • Database migration method and device thereof

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Embodiment Construction

[0044] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Advantages and features of the present invention, and methods for realizing them will be clarified by referring to the embodiments described later in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in a variety of ways different from each other. This embodiment only makes the disclosure of the present invention comprehensive and serves as an introduction to the technology of the technical field to which the present invention pertains. It is provided for the full disclosure of the scope of the present invention, and the present invention is only defined by the scope of the appended claims. The same reference numerals refer to the same structural elements throughout the specification.

[0045] Unless otherwise defined, all terms (inc...

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Abstract

The invention provides a database migration method and a device thereof. The database migration method transfers a relational database to a graphic database in an automated manner. The database migration method in one embodiment comprises the following steps: aggregating constraint conditions of a referencing table, the referencing table being a table with columns which are set as foreign keys in a table of the relational database, the relational database being used as a migration source database; determining the relationship types of each referencing table by the constraint conditions of each referencing table; a database migration device determining a node generation table corresponding to the referencing table and a relation frame based on the relationship type of the referencing table; and converting each row data of the node generation table to nodes of the graphic database which is used as a migration target database, and according to the relation frame, generating relations of the graphic database, used to connect the generated nodes.

Description

technical field [0001] The invention relates to a database migration method and a device thereof. In more detail, it relates to a method and device for migrating a relational database (relational database) to a graph database (graph database). Background technique [0002] A database migration represents an operation for storing data stored in a database of a first form to a database of a second form. [0003] A relational database is a collection of data items composed of a series of normalized tables, and its data can be accessed or combined in various ways even without reorganizing the database tables. Much of the existing data is managed through relational databases. [0004] A graph database manages data in a manner that defines entities and relationships between entities. There is increasing interest in graph databases capable of quickly retrieving relational information between data like data for social networking services. It is well known that graph databases ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/214G06F16/9024G06F16/27G06F16/284G06F16/24565G06F16/84
Inventor 金栽弘李宰映元暎善
Owner SAMSUNG SDS CO LTD
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