Answer / Bhavana Varshney

ADO (ActiveX Data Objects) is a data access technology in .NET that enables the manipulation of databases like Access, SQL Server, Oracle etc., from your application. It consists of several main objects: Connection, Command, DataReader, and DataSet.
1. Connection: Represents the connection between the client and the database server.
2. Command: Used to execute SQL commands against a data source.
3. DataReader: A forward-only, read-only cursor that allows you to read the data from the database.
4. DataSet: It acts as an in-memory cache of data, which can be navigated and manipulated like the underlying data.

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