客户账务查询专员 (Query Executive)职位要求 主要职责:- 处理客户关于账单、账务及其他相关业务问题的国内、国外查询;- 客户帐务纠纷的处理,并在公司内协调相关职...
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In this paper, we offer a segmented query executive plan which is based on bushy tree model.
该文以丛生树模型为基础,提出了一种片段式查询执行计划。
The basic optimization methods of the SQL query language is presented by comprehending executive tactics of RDBMS optimizer and analyzing the factors that affect the SQL query languages efficiency.
介绍RDBMS优化器的执行策略和分析了影响SQL查询效率的因素的基础上,提出了优化SQL查询效率的基本方法,以提高数据库查询的执行效率。
Searching an optimized executive strategy for every complex query is the key of success for database development. In database field, it is still an N-P problem.
对于一个复杂的查询,寻找一个优化的执行策略是数据库系统开发成功的关键所在,此项研究目前在数据库领域仍属于N - P问题。
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