"Oracle.DataAccess.Client.OracleConnection" "Oracle.DataAccess.Client.OracleCommand" "Oracle.DataAccess.Client.OracleParameter" "Oracle.DataAccess.Client.OracleDataAdapter" ODP.NET "Data Source=ORCL;User ID=s2dotnetdemo;Password=s2dotnetdemo" "yyyy/MM/dd" "yyyy/MM/dd