The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 2020
Filed:
Feb. 28, 2018
Sap SE, Walldorf, DE;
Zhan-feng Ma, Shanghai, CN;
Tianlun Chen, Shanghai, CN;
Zhi-ping Xiong, Shanghai, CN;
Hu Yin, Shanghaic, CN;
SAP SE, Walldorf, DE;
Abstract
Various examples are directed to systems and methods for managing hash indexing in a database management system. A database management system may receive first index usage data for a first index describing a database. The database management system may determine a first hash index effectiveness for the first index based at least in part on the first index usage data. The database management system may compare the first hash index effectiveness to a threshold hash index effectiveness. The database management system may modify a hash index status of the first index based at least in part on the comparing.