搜索结果: 1-4 共查到“计算机科学技术 JOIN”相关记录4条 . 查询时间(0.078 秒)
Business Students' Perceptions of Electronic Commerce - Will They Join the Revolution?
Business Students Electronic Commerce Join Revolution
2009/12/9
The dramatic impact of Electronic Commerce (EC) is attracting much attention, most of which is directed towards emerging Internet technology. However, it is generally acknowledged that it will take a ...
基于并行B+-树的并行Join算法的设计、分析与实现
2007/12/27
B+-树是一种有效的数据库存储结构, 被普遍应用于各种关系数据库系统. 把B+-树并行化,使之用于并行数据库系统显然是一项很有意义的重要工作.本文研究了适用于并行数据库的并行B+-树存储结构, 提出两类基于并行B+-树的并行Join算法.理论和实验结果表明, 这些算法效率高于其它并行Join算法.
基于三级存储器的Join算法
2007/11/2
AbstractThe Join algorithms of massive relations in relational databases based on tertiary storage are studied in this paper. At present, Hash-Based Join algorithms are the best ones. However, the eff...
An XML structural join evaluates structural relationships (e.g. parent-child or ancestordescendant) between XML elements. It serves as an important computation unit in XML pattern matching. Several cl...