公开(公告)号：US20180060392A1

公开(公告)日：2018-03-01

申请号：US15804346

申请日：2017-11-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Feng LI ,  Yun ZHANG ,  Lei WANG ,  Xiaobing FENG

IPC: G06F17/30

CPC classification number: G06F16/24542 ,  G06F16/00 ,  G06F16/951

Abstract: A batch data query method and apparatus are provided. A data query server determines symbol identifiers of operands in N query statements according to operators and the operands in the N query statements, where the symbol identifiers include version numbers of the operands; determines dependency among the N query statements according to the version numbers of the operands in the N query statements; and then, performs inter-query optimization on the N query statements according to the dependency among the N query statements and a preset optimization rule.