19.1 Comments/Troubleshooting
All Command
objects implement the
IDbCommand interface from the
System.Data namespace, and are thus quite similar.
In all basic ADO.NET providers, the Command object
encapsulates a SQL statement or stored procedure call.
Some Command classes for ADO.NET providers are
shown in Table 19-1.
Table 19-1. Provider-specific Command classes
System.Data.SqlClient.SqlCommand
|
SQL Server
|
System.Data.OleDb.OleDbCommand
|
An OLE DB provider
|
System.Data.Odbc.OdbcCommand
|
An ODBC driver
|
System.Data.OleDb.OracleCommand
|
Oracle
|
|
