Telecommunications Science ›› 2012, Vol. 28 ›› Issue (1): 41-45.doi: 10.3969/j.issn.1000-0801.2012.01.008

• Cloud computing column • Previous Articles     Next Articles

A Tree Cloud Database for SaaS Cloud Service

Yimei Kang1,Jiang Hu2,Guan Wang1   

  1. 1 Software School,Beihang University,Beijing 100191,China
    2 China North Industries Institute of Computer Technology and Application,Beijing 100089,China
  • Published:2017-02-07

Abstract:

SaaS provides complete software application services to different users in the endpoint of cloud.In SaaS application,cloud database should not only provide the storage and retrieval of massive data,but also be able to customize data structure easily for different users.A tree cloud database is proposed in this paper.This database organizes and searches data by a strucure of tree.The type of node in the tree includes number,characters,text,two-dimensional tables,file and so on.The time complexity of search at the worst case is O[log2N].The existed data in table and file could be reorganized easily to the tree structure in order to meet the storage and retrieval requirements of SaaS.

Key words: cloud database, SaaS, tree cloud database

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