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Cube reconstruction method and device in MOLAP (multi dimension online analytical processing) system

An analysis processing and multi-dimensional online technology, applied in the computer field, can solve problems such as data loss and damage to data integrity in the cube, and achieve the effect of ensuring integrity

Active Publication Date: 2014-06-18
HUAWEI TECH CO LTD
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Problems solved by technology

[0004] However, after the data in the database is stored in the cube, the data in the database may be lost for some reason. When the solution of the prior art is used to reconstruct the cube based on the data stored in the database, the integrity of the data in the cube may be destroyed. integrity

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  • Cube reconstruction method and device in MOLAP (multi dimension online analytical processing) system
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  • Cube reconstruction method and device in MOLAP (multi dimension online analytical processing) system

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Embodiment Construction

[0059] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0060] The main idea of ​​the embodiments of the present invention is to reconstruct the cube based on the data stored in the cube before the reconstruction, rather than based on the data stored in the database. Therefore, even if the data in the database Data loss will not affect the reconstruction of the cube, thus ensuring the integrity of the data when performing model reconstruction and data reconstruction in the MOLAP system.

[0061] figure 1 It is a s...

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Abstract

The embodiment of the invention provides a cube reconstruction method and device in an MOLAP (multi dimension online analytical processing) system. A cube is reconstructed by a received reconstruction request and data stored in an old cube, and data needed for updating the cube do not need to be obtained from a database, so the model reconstruction and data completeness during data reconstruction in the database MOLAP system are ensured.

Description

technical field [0001] Embodiments of the present invention relate to computer technology, and in particular to a cube reconstruction method and device in a multi-dimensional on-line analytical processing (Multi-dimension On-Line Analytical Processing, hereinafter referred to as: MOLAP) system. Background technique [0002] Online Analytical Processing (On-Line Analytical Processing, hereinafter referred to as: OLAP) is to enable analysts, managers or executives to quickly, consistently and interactively access information from multiple perspectives, thereby gaining a deeper understanding of the data. A type of software technology. There are many ways to realize OLAP, and MOLAP based on multidimensional data is the main way to realize it. MOLAP acquires the multidimensional data used by OLAP from the database, and physically stores the above data in the form of a multidimensional array to form a "cube". The cube is composed of the model of the cube and the data stored in th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 张勇尹必安涂丹丹
Owner HUAWEI TECH CO LTD
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