Data access object

The differences between ActiveX data object(ADO) and open database connect(ODBC) and data access object(DAO) are discussed.

简述了 Active X数据对象 ( ADO)与开放数据互连 ( ODBC)及数据访问对象 ( DAO)的区别 ,给出了 ADO模型与 DAO模型的层次结构 ,介绍了在 VB中使用 ADO与数据库建立连接的方法 ,并给出了具体代

Based on the analysis of the deployment of a real web-based information system,on how to use singleton,data access object(DAO) and abstract factory patterns to design the architecture of data access tier which ensures.

在分析了一个真实的Web信息系统的应用环境的基础上,描述了如何使用单例,数据访问对象和抽象工厂模式来设计数据访问层体系结构,解决了多种并行数据源的访问问题,并对该结构面临的问题进行了分析。

The following exceptions have occured using Data Access Objects:

使用数据访问对象时发生下列例外项:

You do not have permission to access the requested data or object!

您没有权限访问所需的数据或对象！

Use Local Data Base by Data Window Objects in PB;

在PB中用数据窗口对象访问本地ASA数据库

On Semantic Based Data Object Access and Storage Management

基于语义的数据对象访问和存储管理研究

Research of Mandatory Access Control for SDM4 Object Features;

达梦安全数据库对象特性强制访问控制的研究

How access database in Authorware7. 0;

Authorware7．0中对数据库的访问

Cartographer is a simple, efficient object relational mapper engine. It provides rapid access to relational data using lightweight data and factory java objects.

这是个简单、效的对象-关系映射工具。它使用轻量级数据和工厂对象实现对关系数据的快速访问。

the dot operator cannot access non-static data fields on object references

点运算符不能访问对象引用上的非静态数据字段

The Realization Accessing of the Oracle9i Object Relation Database Based on Java-JDBC;

基于Java-JDBC访问Oracle9i对象关系数据库的一种实现方法

Unable to perform the requested operation on the data source object. It is not accessible because underlying data has been changed.

无法在数据源对象上执行所请求的操作。由于基础数据已更改，该行集不可访问。

Unable to perform the requested operation on the data set object. It is not accessible because underlying data has been changed.

无法在数据集对象上执行所请求的操作。由于基础数据已更改，该行集不可访问。

Application of Abstract Factory Pattern in Accessing Multiple Database

抽象工厂模式在多种数据库访问程序中的应用

Abstract Factory Design Pattern in Data Access Application

抽象工厂设计模式在数据访问中的应用

Simplified the Database Access of Apache Cocoon

简化Apache Cocoon对数据库的访问

The Analysis of Database Accessing Based on VB 6.0;

基于VB 6.0的数据库访问技术对比分析

Visiting and Processing FoxPro Data-Base in VB Environment;

VB环境中对FoxPro数据库的访问与处理

Accessing Database In Authorware;

在Authorware中实现对数据库的访问

To Accomplish FLASH s Access to Database Through ASP;

通过ASP实现FLASH对数据库的访问