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About: hamsterdb is a database engine written in ANSI C. It supports a B+Tree index structure, uses memory mapped I/O (if available), supports cursors, and can create in-memory databases. Release focus: Major feature enhancements Changes: This release comes with many changes and new features. It can manage multiple databases in one file. A new flag (HAM_LOCK_EXCLUSIVE) places an exclusive lock on the file. hamsterdb was ported to Windows CE, and the Solution file for Visual Studio 2005 now supports builds for x64. Several minor bugs were fixed, performance was improved, and small API changes occurred. Pre-built libraries for Windows (32-bit and 64-bit) are available for download. Author: cruppstahl
Date : 2025-12-21 Size : 466kb User : 王磊

全新的B/S结构开发方式,用纯JS+HTML实现了类似C/S的强大浏览器交互,查询及分页浏览速度提高几倍,可以成批录入数据,有完整的数据库表访问和纯web打印-New B/S structure of development methods, using pure JS+ HTML realize a similar C/S s powerful cross-browser, tabbed browsing inquiries and improve the speed several times, you can batch input data, a complete database table access and net web printing
Date : 2025-12-21 Size : 590kb User : 梧桐

基于数据库设计一个网页,实现基本功能:增删改、查询、统计报表的功能要有.管理信息-A. General Queries- The system should be able to retrieve useful data stored in the database. B. Statistics Collection- The system should be able to generate useful statistics information. C. Modification of Data- The system should provide interface for the store managers to add, remove and update the data in the database. D. Dealing with special events in the system. Your system should be able to handle real life situations that may arise from running the business. E. You are required to implement a web user interface for your system. F. The user interface should be intuitive and effective to use. G. Please bear in mind that a casual user should not have problems to check some simple information. H. The system should provide an English UI. You can also design multi-lingual UI.
Date : 2025-12-21 Size : 28kb User : May

Tokyo Cabinet的Tokyo Cabinet 是一个DBM的实现。这里的数据库由一系列key-value对的记录构成。key和value都可以是任意长度的字节序列,既可以是二进制也可以是字符串。这里没有数据类型和数据表的概念。 作者叫Mikio Hirabayashi.Tokyo Cabinet是用C写的,同时提供c,perl,ruby,java的API。Tokyo Cabinet在提供了POSIX和C99的平台上都可用,它以GNU Lesser Public License协议发布。-Tokyo Cabinet is a library of routines for managing a database. The database is a simple data file containing records, each is a pair of a key and a value. Every key and value is serial bytes with variable length. Both binary data and character string can be used as a key and a value. There is neither concept of data tables nor data types. Records are organized in hash table, B+ tree, or fixed-length array.Tokyo Cabinet is written in the C language, and provided as API of C, Perl, Ruby, Java, and Lua. Tokyo Cabinet is available on platforms which have API conforming to C99 and POSIX. Tokyo Cabinet is a free software licensed under the GNU Lesser General Public License.
Date : 2025-12-21 Size : 873kb User : ws

数据挖掘实例,实现聚类分析,里面自带数据库,所以很方面,下来就可用.-Cluster Analysis example data mining english version high score a b c d e f
Date : 2025-12-21 Size : 184kb User : john

人员采用点数来划分等级关系, 280点以下E级别, 280点以上D级别, 980点以上C级别, 6510点以上B级别, 39270点以上A级别。 加点进行业绩计算之前,需要先进行数据库备份,因为业绩计算后,是不能悔改的,如果计算错误或者有其他的问题的话,就可以用操作前备份的数据库进行覆盖恢复。 本业绩统计为 五个等级: E级会员15 D级推广员20 C级培训员30 B级代理员42 A级代理商52 其中E级别最低, -Points is used to divide the relationship between grade, 280 points below E-level, 280 points or more D-level, C level more than 980 points, 6510 points or more B-level, A level above 39,270 points. Increase the performance of the calculation points is required before the first database backup, because the performance of calculation, is not repentance, and if the calculation errors or other problems, it can be used to operate the database before the backup to restore coverage. The performance statistics for the five grades: E-class members of the promotion of 15 D-level 20 C-level staff training 30 B-class agent from 42 A-level agents of which 52 of the lowest level E,
Date : 2025-12-21 Size : 2.47mb User : zyt

1. 熟悉常用网络数据库的安装和使用 2. 掌握网络数据库的应用编程技术 3. 掌握网络环境下实现数据同步的相关编程知识 4. 掌握网络通信编程的具体应用 Oracle的安装和使用 2、SQL Server的安装和使用 3、数据库应用编程 本次实验采用ADO技术访问Oracle 9i和SqlServer 2000 数据库,用VC++开发,选用MFC开发工具。实验要求中只要求从从站到中心站的同步,这里我们加大难度实现了从站和中心站的互同步。项目名称为:synchronize,即为同步。 本程序分为三个模块:数据库连接操作、通信模块(包括发送和接收)、用户操作更新数据、同步更新数据库模块。 2. 通信模块(包括发送和接收)模块(Comm) a) 功能:用于将从站的insert 语句发送到中心站,中心站正确 执行后将学号返回给从站,从站更新数据库。 同时在中心站上时接收从站的insert语句。 b) 工作流程: c) 数据结构:继承MFC中的CSyncSocket类,利用它的功能。 3. 用户操作更新数据模块(User) a) 功能:接收用户对数据库的插入命令,提供用户界面。 b) 工作流程: c) 数据结构: 4. 同步更新数据库模块模块(Asy) a) 功能:将中心站接收到的insert 语句检查后,在中心站上执行,实验中心站的同步。 b) 工作流程: -1. Familiar with the popular web-based database installation and use of 2. Master network database application programming techniques 3. Master data synchronization network environment to achieve the relevant programming knowledge 4. Grasp the concrete application of network communication programming Oracle of the installation and use of 2, SQL Server installation and use of 3, database application programming This experiment using ADO technology to access SqlServer 2000 and Oracle 9i database, using VC++ development, use MFC development tools. Experimental request only requires from the slave to the central station synchronization, here we increase the degree of difficulty to achieve from the station and central station of mutual synchronization. Project name: synchronize, namely synchronization. This program is divided into three modules: the database connection operation, communication modules (including the sending and receiving), the user update the data operatio
Date : 2025-12-21 Size : 560kb User : zym

B+树的源代码,c++版,用类实现的。 是许多数据库系统使用的检索系统-B+ tree source code, c++ version, with the class achieved. Database system used in many retrieval systems
Date : 2025-12-21 Size : 308kb User : 徐锦来

1、初始化顺序表;2、依次采用尾插法插入a,b,c,d,e元素;3、输出顺序表;4、输出顺序表L长度;5、判断顺序表是否为空;6、输出顺序表的第三个元素;7、输出元素‘a’的位置;8、在第四个元素上插入f;9、删除顺序表的第三个元素;10、释放顺序表;-1, the initialization sequence table 2, and the tail plug fit into a, b, c, d, e element 3, the output order of table 4, the output sequence of length of list L 5, to determine the order of the table is empty 6, the output sequence of the third element in the table 7, the output element ' a' position 8, the fourth element into the f 9, delete the third element of the order of the table 10, the release of the order form
Date : 2025-12-21 Size : 41kb User : 邵希茜

编写一个程序,实现单链表的各种基本运算,并在此基础上设计一个主程序完成如下功能: (1)初始化单链表 (2)依次采用尾插法插入a,b,c,d,e元素 (3)输出单链表 (4)在第四个元素位置上插入f元素 (5)删除该单链表的第三个元素 -Write a program to achieve the basic operations of single linked list, and designed on the basis of a main program performs the following functions: (1) initialize a singly linked list (2) followed by end plug into your a, b, c, d e element (3) output a single linked list (4) inserted in the fourth element position f elements (5) delete the third element in the single linked list
Date : 2025-12-21 Size : 38kb User : 蒋玮珂
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