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. 17, 2023
Filed:
Dec. 25, 2018
Alibaba Group Holding Limited, Grand Cayman, KY;
Guangzhou Zhang, Hangzhou, CN;
Xiaobin Lin, Hangzhou, CN;
Xiaojian Fan, Hangzhou, CN;
Xianming Dou, Hangzhou, CN;
Wenjing Zeng, Hangzhou, CN;
Zhengzhong Zhou, Hangzhou, CN;
Liangchun Xiong, Hangzhou, CN;
Wenjie Zhang, Hangzhou, CN;
ALIBABA GROUP HOLDING LIMITED, Grand Cayman, KY;
Abstract
A database system as well as a method and an apparatus for querying a database are disclosed herein. In one embodiment, a system comprises a master database, at least one slave database, and a query processing unit. The master database has a data connection with the slave database, and the slave database has a data connection with the query processing unit. The query processing unit is configured to split a query request into query operation instructions having non-overlapping query ranges, send the split query operation instructions to the same or different slave databases to perform the query operations, and return the query results. The disclosed embodiments improve query efficiency.