CreateCommand--通过OracleConnection创建和返回OracleCommand对象

// C#
// Uses connection to create and return an OracleCommand object.
...
string ConStr = "User Id=myschema;Password=mypassword;" +
"Data Source=oracle;";

OracleConnection con = new OracleConnection(ConStr);

con.Open();

OracleCommand cmd = Con.CreateCommand();

cmd.CommandText = "insert into mytable values (99, ’foo’)";

cmd.CommandType = CommandType.Text;

cmd.ExecuteNonQuery();
...