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Problem Dropping the index

Posted on 2004-08-15
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Last Modified: 2008-01-09
Hello OracleDBAs,
Iam trying to drop an index defined on a table.It gives me the following error.
"ORA-00054: resource busy and acquire with NOWAIT specified"
Is there any way I can drop the index forcefully...so that I can proceed with my work.
Please help me..
Thanks in advance.
sridhar
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Question by:sridhar_don
3 Comments
 
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Expert Comment

by:catchmeifuwant
ID: 11807105
It means the index is locked for some other purpose by oracle(probably a previous drop command is still running).

Wait from sometime and try the drop index command again...
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LVL 11

Expert Comment

by:cjjclifford
ID: 11807975
catchmeifuwant is correct that the table is currently locked for some other reason... waiting may help you, but better yet, before attempting the DROP INDEX perform the following:

LOCK TABLE table_name IN EXCLUSIVE MODE;

This command obtains an exclusive lock on the table, which is freed after a single command (in your case the index drop) - this LOCK TABLE will wait until it can obtain the lock, which may take some time....

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Accepted Solution

by:
Guy Hengel [angelIII / a3] earned 70 total points
ID: 11809163
You might try to check WHO locks your table:
v$locked_object
Who is locking what:
select
  oracle_username
  os_user_name,
  locked_mode,
  object_name,
  object_type
from
  v$locked_object a,dba_objects b
where
  a.object_id = b.object_id

CHeers

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