In the database server construction , we emphasized on how to create new user database and its objects using sql server 7 . 0 and transact - sql . we also introduced the measures adopted to ensure the safety of the database ; in the design of application software , we discussed how to realize the two modules of query and management of database using c + + builer . by the comparison of a few kinds of datasets in c + + builer , we got a deeper understanding of the principle of database query ; on closing this paper , we elaborated on the bde and odbc , and made efficient improvement on system function and executed helpful maintenance with the tools of sql server manager 在数据库的创建中,本文着重论述了如何使用sqlserver7 . 0以及transact - sql结构化查询语言在服务器端创建用户数据库及数据库对象,并且介绍了在用户数据库中采取的安全性措施;在客户端数据库应用程序的设计中,按照设计的思路论述了如何用c + + builder编程语言实现数据库查询和管理两大模块,并通过对几种数据集组件的比较从更深的层面研究了数据库查询的实现;最后,本文深入阐述了c + + builder的数据库引擎( bde )和开放式数据库连接( odbc ) 。
Business plan of venture enterprise is prepared by enterprisers to explain and analyze what a new enterprise needs , in order to get a deep understanding of itself by evaluating itself , and , what ' s more , to gain venture capital 风险投资商业计划书是外部商业计划书的一种,是由创业者准备的书面计划,分析、描述创办一个新的风险企业时所需的各种因素,其目的是为了通过撰写计划的过程对企业自身进行自我评估,对创业前景有更加清晰的认识,并且期望通过计划书获得风险投资家的风险资本。
Based on meaningful learning theory of the cognitive psychology , this paper attempts to probe into the role of etymology in teaching and learning english vocabulary : on the one hand , by analysing the morphological structure of words , students can recognize the connections of the words with the same morphemes , and in this way students can : 1 . draw inferences about other words from one instance ; 2 . have a better grasp of the form and its meaning ; 3 . reduce the spelling mistakes and distinguish the similar words efficiently ; on the other hand , by analyzing its cognitive motivation , students can get a deeper understanding of the meaning 摘要本文以认知心理学的意义学习理论为依据,探讨了词源教学在英语词汇教学中的重要作用: 1 .举一反三,扩大词汇量; 2 .加深对单词意义的理解和记忆; 3 .有效减少常见的拼写错误,辩清易混淆的词;对词汇从认知过程方面进行分析,则可以揭示词义的演变过程,有助于学生词义的掌握。