Actually folks, we've promogulated this idea that a SID and a database name have to be 
the same.  Nothing could be farther from the truth.  In a recent attempt to make a new 
copy of our PeopleSoft database from a BCV copy I found that you can have a different 
name for the database from the SID.  And wouldn't you believe it, the 9i DBCA supports 
that idea??  Therefore you could have a SID on empprod and a name of emp_prod with no 
trouble.  Actually I found a good reason to go back to my old methods of using numbers 
as SIDs. Why, the JDBC driver.  SIDs should be NON case sensitive as they once were in 
SQL*Net V1.

Dick Goulet
Senior Oracle DBA
Oracle Certified 8i DBA 

-----Original Message-----
Sent: Monday, June 30, 2003 4:34 PM
To: Multiple recipients of list ORACLE-L


I think it will allow under score as part of SID name but it is not recommended.

Thanks,
Ashoke

-----Original Message-----
Sent: Monday, June 30, 2003 11:35 AM
To: Multiple recipients of list ORACLE-L


What are the restriction in naming an Oracle SID/Database?

1. Can I have special character in SID/Database name? e.g. Is  a SID name
'emp_prod' is allowed?

No You can not use spl char's. SID name should be in alpha's.

2. What is the maximum size of a SID/Database name in Unix?

8 chars

3. What is the maximum size of a SID/Database name in Windows?

8chars

4. Is there any other restrictions?

SID names should be unique.


--Senthil.


Thanks,
Ashoke

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