SQL

数据库top-k查询排序文献，发表在vldb2006上，利用视图方法实现top-k查询，具有高效准确特点(Top-k query the to sort literature, published in the vldb2006, use view methods to achieve top-k queries, is an efficient and accurate Features)

把两个集合求并集，然后输出并集合的各个元素(Collection requirements and the two sets, then each element of the output and set)

MFC中以ADO的形式连接Access数据库，包括增、删、改、查(MFC in the form of ADO connection to Access database, including add, delete, change, check)

读写Excel 用Ado对Excel可以很方便的进行读写 (read and write Excel Ado right with Excel can read and write to facilitate the conduct of)

Family Financial Management System是一个特别方便的理财系统。功能方便实用。(Family Financial Management System is a special convenient financial management system. Convenient and practical functions.)

数据定义语句及数据查询语句，掌握数据查询语句，(Data definition statements and data query, master data query,)

Ado 实现C++对象的存取，Ado 实现C++对象的存取 Ado 实现C++对象的存取 (C Ado achieve the target access, C Ado achieve the target to achieve access Ado C Object Access Ado achieve C Ado Object Access to achieve C like acce)

加载动态链接库，使用里面的函数，来移动图片(Load the dynamic link library, inside a function, to move the picture)

使用JDBC提供的API以JDBC-ODBC桥接器的方式连接数据库，并与数据库进行信息交互，数据的查询、更新、插入、删除等(Use API JDBC provides JDBC-ODBC bridge to connect the , and information interact with the , data query, update, insert, delete, etc.)

数据库访问层的通用设计。可根据配置文件的更改适应不同的底层数据库。隔离业务逻辑层。采用C++标准库及ADO方式对数据库进行访问。(The universal design of the database access layer.According to the configuration file changes to adapt to different underlying database. Isolate the business logic layer. C + + standard library and the ADO way to access the database.)