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:
Sep. 20, 2022
Filed:
Jun. 05, 2020
Applicant:
Alibaba Group Holding Limited, Grand Cayman, KY;
Inventors:
Assignee:
Alibaba Group Holding Limited, George Town, KY;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 16/22 (2019.01); G06F 16/2453 (2019.01);
U.S. Cl.
CPC ...
G06F 16/221 (2019.01); G06F 16/24542 (2019.01);
Abstract
Data storage and query method and device are disclosed, which facilitate a quick acquisition of query results through index queries at subsequent stages by establishing indexes for columns of a table. Furthermore, by scanning data in the table to obtain statistical information of data in the columns, this facilitates using the statistical information of the data in the columns to perform cost estimation in subsequent queries, in an attempt to obtain a data query mode that has the least cost and the best performance, thus improving query efficiency.