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see ORA-12699
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Re: How to avoid or handle the ORA-0054s

J Velikanovs

2005-01-02

Replies:
Hemant,
Another simple method to achieve your purpose:

DROPME:gonza> lock table testddl in exclusive mode;
-- Waiting until all concurrent DML has been done.

Table(s) Locked.

DROPME:gonza> alter index testddl_i1 rebuild;

Index altered.

PS Replace "alter ... rebuild;" with "drop index ... ; lock table ...;
create index ..." if you want.

Jurijs
+371 9268222 (+2 GMT)
============================================
Thank you for teaching me.
http://otn.oracle.com/ocm/jvelikanovs.html


Jurijs
+371 9268222 (+2 GMT)
============================================
Thank you for teaching me.
http://otn.oracle.com/ocm/jvelikanovs.html






Hemant K Chitale <hkchital@(protected)>
Sent by: oracle-l-bounce@(protected)
01.01.2005 05:05
Please respond to hkchital

    To:   oracle-l@(protected)
    cc:
    Subject:     How to avoid or handle the ORA-0054s



I have a need to regularly Recreate certain Indexes . {see note below on
WHY !}
This is scripted. However, the script sometimes errors on the DROP with
ORA-0054
and, of course, the CREATE doesn't go through.
We are trying to put a loop to check the spooled output of the script and
rerun
it if the DROP fails.

However, I was wondering if anyone has implemented a technique to handle
ORA-0054s
and automated the retry of the DDL.

Why I can't use a REBUILD is because it is a corrupt index.
{and surely, the REBUILD does use a WAIT when it switches the indexes.
Why doesn't Oracle allow us to write a DROP ... WAIT ?}



NOTE : Why the Recreate Indexes :
These are 6 BitMap Join Indexes. A bug in 9.2.0.4 causes occasional
ORA-600s
when querying the table. The solution is to Recreate the Indexes. I had
emailed
this list on 03-Dec on ORA-600 [12700] errors with these BMJIs.

Although 9.2.0.5 is indicated to have a fix, I see some references to
other
BMJI issues in 9.2.0.5 and we haven't yet gone to 9.2.0.5 for this
particular database.

Hemant K Chitale
http://web.singnet.com.sg/~hkchital




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