Querying V$ views within scripts
- From: stephen booth <stephenbooth.uk@xxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Tue, 14 Dec 2004 12:25:52 +0000
Recently I was asked to produce a couple of scripts that could be run
from the UNIX prompt (or cron) to put all of the tablespaces in a
database into backup mode then then put them back into non-backup mode
(the plan being to run the first script to put them into backup mode,
run the backup at filesystem level then run the second script to put
them back). Below is my 'first stab':
----------------------------------------------------------------------------------------------------------
#!/usr/bin/sh
ORACLE_SID=dctm
export ORACLE_SID
ORAENV_ASK=NO
export ORAENV_ASK
. oraenv
sqlplus /nolog <<EOF
connect / as sysdba
set echo off
set head off
set verify off
set feedback off
set pagesize 1024
alter system checkpoint;
spool alter_tbs_to_backup.sql
select 'alter tablespace '||tablespace_name||' begin backup;'
from dba_tablespaces
where contents not in ('TEMPORARY')
/
spool off
@@alter_tbs_to_backup.sql
alter system archive log current;
EOF
exit
------------------------------------------------------------------------------------------------------
it seems to work fine and do what it's supposed to do. The problem is
that if I try to query a v$view at anytime in the script (e.g. select
* from v$backup; to confirm that the tablespaces are in backup mode)
it reports that the view does not exist. If I run exactly the same
commands interactively then the select from the v$ view works
perfectly.
I've tried specifying, for example, sys.v$backup but still get the same error.
Presumably there's something blatantly obvious that I'm missing.
Anyone come accross this or have any thoughts on what it might be?
I've tried a search of Metalink but nothing useful came up.
I'm using Oracle 9.2 on Solaris 9 (patched to 09/04).
Thanks
Stephen
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