How do I find DB hostname ?

How do I find DB hostname ?
Is there any difference between hostname and DB hostname ?
I have PowerBook G4 laptop. The command "hostname" produced the following output.
$ hostname
monica-kands-Computer.local
My understanding is "monica-kands-Computer" is the host name or DB hostname and "local" is the domain name, correct ?
How Do I change the DB hostname and domain name ?
Thanks in Advance.
-siva

Hi!
Normally the database global name does not have to have a relation with the hostname, although a lot of people do this.
Here are some explanations:
hostname (computer): normally a name of the machine you work on (eg pc015, mickey, aix_big_machine)
domain name (computer): groups machines in a logical manner (high level - your network people will explain it otherwise). Examples: sales.company.com, acme.com, my_department.region.company.com
hostname and domain name together are described as the fully quallified host name (eg. mickey.acme.com, pc015.my_department.region.company.com)
SID (Oracle): described the identifier (name) of the database.
Global database name (Oracle): describes an enterprise name in a database way. Often this is the same as the domain name (eg. SID=orcl Global DB Name: orcl.acme.com)
Hope this helps.
cu
Andreas

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