| SDB::Data::SDBCommand | Represents an SQL statement or stored procedure to execute against a data source |
| SDB::Data::SDBConnection | Represents an open connection to the database instance |
| SDB::Data::SDBDataAdapter | Represents a set of data commands that are used to fill the DataSet and update the data source |
| SDB::Data::SDBDataReader | Provides a class for reading data rows from the database |
| SDB::Data::SDBException | The exception that is generated when a warning or error occured |
| SDB::Data::SDBParameter | Represents the parameter for a SDBCommand |
| SDB::Data::SDBParameterCollection | Represents a collection of parameters relevant to an SDBCommand |
| SDB::Data::SDBTransaction | Represents transaction object to the database |