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What is ADO (ActiveX Data Objects)?
ADO, or ActiveX Data Objects, is a database access technology that provides a programming interface to access data stored in a database. It is a part of Microsoft’s Data Access Components (MDAC) framework and is commonly used in Microsoft Windows-based applications.
ADO allows developers to connect to a wide range of databases, including Microsoft SQL Server, Oracle, MySQL, and more. It supports various programming languages such as Visual Basic, C++, and C#, making it a versatile tool for database access in different development environments.
With ADO, developers can perform various database operations, including retrieving, updating, and deleting data. It provides a rich set of objects and methods to interact with databases, making it easier for developers to write efficient and robust database applications.
Overview of database access technology
Database access technology refers to the methods and tools used to interact with databases, retrieve data, and perform database operations. It allows developers to communicate with databases and manipulate data stored within them.
There are various database access technologies available, including ADO, ODBC (Open Database Connectivity), JDBC (Java Database Connectivity), and ORM (Object-Relational Mapping).
ADO, as mentioned earlier, is a popular database access technology used primarily in Windows-based applications. It provides a high-level interface that abstracts the complexity of database operations, making it easier for developers to work with databases.
ODBC, on the other hand, is a standardized database access interface that allows applications to access databases using SQL as a common language. It provides a generic way to connect to various databases, making it platform-independent.
JDBC is a Java API that allows Java applications to interact with databases. It provides a set of classes and interfaces to perform database operations and is widely used in Java-based applications.
ORM, or Object-Relational Mapping, is a technique that maps objects from an object-oriented programming language to relational database tables. It eliminates the need for developers to write complex SQL queries and enables them to work with databases using a more object-oriented approach.
Each of these database access technologies has its advantages and disadvantages, and the choice of technology depends on the specific requirements of the application and the development environment.
In conclusion, ADO is a powerful and widely used database access technology that provides developers with the tools to interact with databases efficiently. With its rich set of objects and methods, ADO simplifies the process of database access and enables developers to build robust and scalable applications.
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