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ado
说明: 数据库操作类,可以对SQL,ACCESS等进行方便的操作(Types of database operations can be SQL, ACCESS, etc. to facilitate the operation of)
- 2009-08-07 17:59:58下载
- 积分:1
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hash
一个简单的c代码的hash表数据库框架,(A simple c code hash table frame)
- 2013-11-06 16:07:52下载
- 积分:1
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ODBCopt
说明: 根据ODBC3.x driver 编写的操作数据库的库(operate the database )
- 2009-08-30 14:55:47下载
- 积分:1
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贵州大学研究生数据库实验报告
说明: 每组不超过4人,每人从TPC-H中选择至少三个查询进行执行,并进行性能调整。同组人员所选择的查询不能相同。各查询均必须包含:两个以上的表连接操作,其包含至少一个聚集函数。
每位同学的该作业均放在一个命名如“姓名-学号-专业-作业1”的目录中
用尽能想到的所有技术方法,使得选定的查询的某些性能指标尽可能的差
用尽能想到的所有技术方法,使得选定的查询的某些性能指标尽可能的好(Each group has no more than 4 people. Each person selects at least three queries from TPC-H to perform and performs performance adjustment. The queries selected by the same group can not be the same. Each query must contain more than two table join operations, which contain at least one aggregation function.
Each student's homework is placed in a directory named "name student number professional operation 1".
Using all the technical methods that can be thought of, make certain performance indicators of selected queries as poor as possible.
Use all the technical methods that you can think of, and make certain performance indicators of selected queries as good as possible.)
- 2018-07-07 22:23:26下载
- 积分:1
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三相四桥臂SVPWM控制及电机模型
实现三相四桥臂永磁同步电机矢量控制,此方法有很多优点,与传统的三桥臂SVPWM相比,波形有明显改善 谐波减少(Three phase and four leg PMSM controller)
- 2020-10-05 13:37:39下载
- 积分:1
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课程管理系统1
课程管理系统!有很强的排课功能,表多,联系多,是应付老师的首选,因为一看就是自己做的!(course management system. A strong Course Scheduling functions, tables, links, is the first choice to meet the teacher, because one can do for myself is!)
- 2004-12-07 16:42:27下载
- 积分:1
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jiaxiao
主要是驾校的车辆管理、人员信息管理,
和驾驶员的一些信息。数据库用ACCESS,方便录入数据!(Mainly vehicles驾校management, personnel information management, and pilots of some of the information. Database using ACCESS, easy data entry!)
- 2008-03-22 23:47:48下载
- 积分:1
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m_map1.4
m_map包,用于绘制地图,很好用的一个matlab绘图工具包(m_map this can help you draw a map with the matlab this can make you to draw a map)
- 2018-02-09 18:27:35下载
- 积分:1
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CBSYS
出版商印刷数据库设计
初始条件:
一个印刷书的印刷公司希望建立数据库来处理用户的印刷需要。一本书的出版发行人员提交了一份描述印刷工作的单据,印刷工作需要的使用材料,由购买清单指定。
(Publishers print database design initial conditions: a printed book printing company hopes to establish a database to handle the user s printing needs. A book publishing and distribution staff submitted a description of the work of printing documents, printing requires the use of materials, from the purchase of the designated list.)
- 2020-12-03 15:19:25下载
- 积分:1
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合并两个降序单链表(机考)
说明: 在数据结构知识体系中,利用c语言编写实现功能:将两个单链表结合成一个单链表,(Combine two single linked lists into a single linked list.)
- 2020-06-23 01:20:02下载
- 积分:1