INSERT OPENQUERY (ORTEST, 'SELECT * FROM reservation')
VALUES (2, '2', 3);

INSERT INTO ORTEST.[dbname].[dbo].[reservation]
SELECT * from [dbname].[db].[reservation]

exec master.dbo.sp_MSset_oledb_prop 'ORAOLEDB.Oracle', N'AllowInProcess', 1
go
exec sp_addlinkedserver @server = 'MyOracleServer', @srvproduct = 'Oracle', @provider = 'OraOLEDB.Oracle', @datasrc = 'MyOracleLinkedServer'
go
exec master.dbo.sp_serveroption @server=N'MyOracleServer', @optname=N'rpc out', @optvalue=N'true'
go
sp_addlinkedsrvlogin @rmtsrvname = 'N'MyOracleServer', @useself = 'false', @locallogin = NULL, @rmtuser = 'myRemoteUser', @rmtpassword ='myRemotePassword'
go

insert into [MyOracleServer]..[MyRemoteSchema].[MyRemoteTable](
  [MyRemoteField1],
  [MyRemoteField2]
)
select
  t.Field1,
  t.Field2
from
  [dbo].[MyLocalTable] as t