Hi list,
Reading the OU manuals Oracle 9i DBA Fundamentals II , in
chapter 2 page 12, found
1-) An oracle database is represented to clients as a
service.
2-) A database can have one or more services
associated with it.
3-) A database can be presented as multiple services
and a service can be implemented as multiple database
instances.
For the No. 2 :
I interpret that I can
have 2 or 3 or 4 services for just ONE DB. Is that correct ?. How
can I do that ?
For the No. 3:
I interpret that I can refer to
the same DB with differents names.
As far as I understand, the DB instance name is unique, it
can't be changed. So how can I create several services names for one
DB.
Or is just a trick in the TNSNAMES.ORA and LISTENER.ORA
files.
Please can anyone give some light in that, I am totally
confused !!!
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Author: Ramon E. Estevez
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Received on Thu Sep 05 2002 - 11:38:26 CDT
