How to remotely access an Oracle Database?

hey,
I have Oracle XE installed on my WinXP desktop and can run queries on it using SQL*plus locally. Now, as I'm spending more time on my WinXP laptop, I want to be able to access the DB I have running on my desktop.
However, I don't have the slightest idea where to start or how to do it.
Any help is greatly appreciated.
Thank you

Depending on the Desktop Oracle version you can try using Easy Connect method
username/password@<hostname>:<port>/<service name>
for example
C:\> sqlplus scott/tiger@desktop:1521/orcl
or just
C:\> sqlplus scott/tiger@desktop/orcl
If this doesn't work, then you have to configure a TNS alias in tnsnames.ora (in ORACLE_HOME\network\admin) : you can duplicate the XE entry, changing names as needed.

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