公开(公告)号：US10990571B1

公开(公告)日：2021-04-27

申请号：US15904646

申请日：2018-02-26

Applicant: Amazon Technologies, Inc.

Inventor： Zhaohui Zhang ,  Sheng-Liang Song ,  Aakash Shah ,  Kamal Kant Gupta ,  Xiaofeng Bao ,  Saileshwar Krishnamurthy

IPC: G06F16/22 ,  G06F16/21 ,  G06F16/23

Abstract: Online reordering for database table columns may allow a user to reorder the columns of a database table without taking the database offline. A mapping between different column orders for a database table may be generated and stored in response to a request to reorder columns in a database table. When a portion of the database table is accessed, the columns of the database table in the accessed portion of the database table may be reordered to perform the access request.