How to find instance name

Question

Hi
I just start to learn SQL server now. I am trying to migrate data from oracle to SQL server 2005 using SQL server migrant assistant for Oracle.  But I don't know how to fiill this connection details
SQL Server host:
<ServerHost>
SQL Server port
(leave empty if default):
<8888>
SQL Server instance name
(leave empty if default):
<your_instance>
Target database:
<your_db_name>
Target schema:
dbo (by default)
User name:
<your_username>
Password:
<your_password>
How to find these properties?  Anyone can help?
Thanks
Li

Answer 1

set nocount on
Declare @key Varchar(100), @PortNumber varchar(20)
if charindex('\',CONVERT(char(20), SERVERPROPERTY('servername')),0) <>0
begin
set @key = 'SOFTWARE\MICROSOFT\Microsoft SQL Server\'+@@servicename+'\MSSQLServer\Supersocketnetlib\TCP'
end
else
begin
set @key = 'SOFTWARE\MICROSOFT\MSSQLServer\MSSQLServer\Supersocketnetlib\TCP'
end
EXEC master..xp_regread @rootkey='HKEY_LOCAL_MACHINE', @key=@key,@value_name='Tcpport',@value=@PortNumber OUTPUT
SELECT CONVERT(char(20), SERVERPROPERTY('servername')) ServerName,
CONVERT(char(20), SERVERPROPERTY('InstanceName')) instancename,
CONVERT(char(20), SERVERPROPERTY('MachineName'))
as HOSTNAME, convert(varchar(10),@PortNumber) PortNumber