Hi
I hope it doesn't matter. We have been using dynamically created "create
controlfile" for years now to copy production DB to test/developnment.
I believe the files are alfabetical in our case.
jack
"Hand, Michael T"
<[EMAIL PROTECTED] To: Multiple recipients of list
ORACLE-L <[EMAIL PROTECTED]>
om> cc: (bcc: Jack van
Zanen/nlzanen1/External/MEY/NL)
Sent by: Subject: RE: Is DATAFILE order
important in CREATE CONTROLFILE?
[EMAIL PROTECTED]
11-04-2002 22:53
Please respond to
ORACLE-L
Rich,
I believe the datafile order in a CREATE CONTROLFILE statement is critical,
from lowest FILE# to highest. I'd be reluctant to prove myself wrong by
testing our database copy process (I used sed to map the datafiles.), but
we
are moving 500-600Gb databases around and rerunning it would require
another
25hr window ;)
-----Original Message-----
Sent: Thursday, April 11, 2002 3:13 PM
To: Multiple recipients of list ORACLE-L
I'm writing a Perl script to automate the procedure to create a copy of an
8.1.7 production DB to a development server. Both production and dev are
HP/UX 11.0.
In doing this, I've created a file that cross-references where the
production datafiles are and where they are to be placed in dev. This
works
fine, but I also wanted to dynamically create the CREATE CONTROLFILE
statement for the "new" dev DB.
I've noticed that the DATAFILE clause does not have the SYSTEM tablespace's
datafile first, nor are any of the other datafiles in the same order that
they are in production (e.g. from the output of an ALTER SYSTEM BACKUP
CONTROLFILE TO TRACE). Does this matter? Does the order need to be
preserved?
I suppose I'll end up dynamically creating the cross-reference file, which
would preserve the order, but now I'm curious.
TIA!
Rich Jesse System/Database Administrator
[EMAIL PROTECTED] Quad/Tech International, Sussex, WI
USA
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