1) Hierarchical Tree Queries
层次树查询
1.
Function and Case Analysis of Hierarchical Tree Queries Based on Oracle;
基于Oracle的层次树查询功能及实例分析
2) hierarchical query
层次查询
1.
Generating nested XML document from hierarchical query dataset in RDBMS;
RDBMS中层次查询结果的XML文档生成
2.
It is difficult to represent hierarchical models by relational database management system,and standard SQL language can not satisfy the complicated hierarchical query needs.
关系型数据库管理系统不适合表达层次模型问题 ,标准的 SQL语言无法满足复杂的层次查询要求 ,但有许多实际应用系统 ,其结构和查询要求都呈现很强的层次特征。
3) query hierarchy
查询层次
4) hierarchical query language
层次查询语言
6) query tree
查询树
1.
Furthermore,the paper also gives a global query forming algorithm and a global query decomposing algorithm based on query tree.
为了提高网格集成环境中用户查询(涉及多异构数据源)的效率和精确性,提出了基于多本体的并行查询处理方法,给出了全局查询的生成算法和基于查询树的全局查询分解算法。
2.
Firstly,query trees existing in distributed DSMS matched with the new query tree created by the distributed DSMS and calculated reusing proceeds.
提出了一种基于查询树匹配的查询重用算法。
3.
For the improvement of the processing performance of Twig Patterns, all the Twig Patterns are combined into a single prefix query tree that represents such queries by sharing their common prefixes.
为了提高查询处理性能,将所有Twig Pattern合并为一个共享前缀的查询树,其中,AND/OR谓词被表示为单独的抽象语法树,因而能够以文档顺序、单遍地处理复杂Twig Pattern的匹配,并避免了YFilter中对嵌套谓词进行后置处理所产生的中间结果。
补充资料：查询权和监督、质询权
查询权和监督、质询权：股东有权查阅公司章程、股东大会会议记录和财务会议报告对公司的经营提出建议或者质询。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条