摘要
在农作物病虫数据库中灵活应用SQL,可以实现方便、快捷、准确的查询,以达到充分灵活运用病虫害历史数据的目的,可大大提高查询效率和数据的利用效率。
The convenient,fast and accurate in quiry can be realized by using SQL lan guage in the database of agri-cultural disease and pests.This new method meets the requirements for ma king full use of the historical data o f dis-ease and pests.Moreover,the inquir y efficiency and the utilization ratio have risen greatly.
出处
《植保技术与推广》
2002年第10期8-10,共3页
Plant Protection Technology and Extension
