This article assumes that you have narrowed the problem down to just the access ploan, having exhausted all other possibilities such as operating system, hardware, or other performance areas in DB2.

本文假设已经排除了所有其他可能性，如操作系统、硬件或 DB2 的其他性能领域等，问题完全缩小到访问计划上。

youdao

The company needs to improve performance in all these areas.

公司需要在所有这些方面改善业绩。

《牛津词典》

With the declining performance of American students in math and science has come increased competition from students from other countries that have strongly supported education in these areas.

由于美国学生数学和科学学科的水平不断下降，来自其他国家的学生的竞争愈加激烈，这些国家往往在此类领域提供了大力的教育支持。

youdao

Dietz has 20 patents issued in the application and network performance areas.

FORBES: Securing Data in the Cloud? Call in the Magnificent Seven

The commission will also carry out national reviews to improve performance in areas including children's hospital services, hospital acquired infection, heart failure, substance misuse, tobacco control and mental health.

BBC: NEWS | Health | Patients to help judge NHS trusts

The research I have done on organizational change clearly shows that programs which are focused on organizations improving their performance in areas such as quality, costs and customer service are rarely successful.

FORBES: Forget Sustainability Programs