The EDBConnection class represents a connection to Advanced Server. An EDBConnection object contains a ConnectionString that instructs the .NET client how to connect to an Advanced Server database.
An EDBCommand object contains an SQL command that the client will execute against Advanced Server. Before you can execute an EDBCommand object, you must link it to an EDBConnection object.
An EDBDataReader object provides a way to read an Advanced Server result set. You can use an EDBDataReader object to step through one row at a time, forward-only.
An EDBDataAdapter object links a result set to the Advanced Server database. You can modify values and use the EDBDataAdapter class to update the data stored in an Advanced Server database.