【摘要】 论述了数据库机中关系运算的哈希位阵列消除重复元组(消重)的硬算法,对其进行了改进,并且对其性能进行分析,从而为该算法在数据库机的应用研究奠定基础。更多还原

【Abstract】 this paper discusses the algorithm of hash bit array for duplication-remove in the relational operations of the DataBase Machine, develops this algorithm and analyses its performance, thus it makes a base for this theory in application research of DataBase Machine.更多还原