工学 查询转换 释 query translation 查询转换 当一个数据库模式被转换为另一数据库模式时，原查询处理操作也要进行相应的转换，使之与后一模式的语法一致的过程。
数据库 数据库管理系统及其实现技术 释文 query translation 查询转换
- Original Sin
- original soundtrack of movie music
- original space
- original species
- original star
- original sun
- original text
- Original theory of Chinese economy
- original time
- original triangle
- original video of Japan's Surrender to China
- original water
- Origin and Development of Chinese Literature
- Origin and Development of Manchus
- origin and evolution of solar system
- origin and formation of Chinese opera
- origin and propagation of cosmic rays
- origin area of invasive species
- origination
- origin center of grass germplasm
- Origin Center of World Cultivated Crops
- origin centre
- origin data authentication
- origin moment
- origin of agriculture