网络释义专业释义
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外连接 - 引用次数：2
Once the view is created by outjoin, those existing algorithms may fail in view maintenance. This paper introduce a new view maintenance algorithm, which can handle view involving outjoin, regular join and data inconsistency.
针对传统的视图维护算法在有外连接或数据不一致的情况下会出现错误的问题，本文提出了一种新的视图维护算法：VMDT算法，该算法不仅解决了外连接及数据不一致问题，而且最大限度地减少了国防科学技术大学研究生院学位论文MDBS与LDB之间的通信量，解决了嵌套异常问题。
参考来源 - 多数据库系统中关键技术的研究
·2,447,543篇论文数据，部分数据来源于NoteExpress
原声例句权威例句
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They join automaker General Motors and delivery service FedEx, who dropped out last year.
VOA: standard.2010.01.27
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My parents thought I'd lost my mind to drop out of Stanford Business School to go join some company that made software.
我父母认为我从斯坦福商学院,辍学去一家软件公司工作根本是疯了。
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and find a good, I don't know, find a company to join right out of school.
在毕业后加入他们的公司。
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