Supporting a join operation against multiple NoSQL databases

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United States of America Patent

PATENT NO 10915532
APP PUB NO 20190310978A1
SERIAL NO

16452426

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Abstract

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Provided are techniques for supporting a join operation against multiple NoSQL databases. A search request with a field and a value for the field is received, wherein the search request is to be issued against a plurality of database divisions formed from NoSQL databases. A simple database search is performed against a structured index to generate a first result set. An extended database search is performed against a linear database division index to generate a second result set by: identifying a relationship for the field that identifies related fields and identifying documents for the field and the related fields using a linear database division index. The first result set and the second result set are merged to form a merged result set of documents. The documents from the merged result set are displayed in response to the search request.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINE CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jiang, Peng Hui Beijing, CN 152 144
Li, Shuo Beijing, CN 319 802
Liu, Xin Peng Beijing, CN 116 530
Wang, Chun Hui Beijing, CN 3 3
Wang, Xin Zhe Beijing, CN 2 3
Zhou, Zan Beijing, CN 8 21

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