How to find unused indexes in oracle 10g r2

Hi all,
db:oracle 10.2.0.3
os:solaris
i want rebuilt the some of the indexes (due poor performence of db)
how to find the unused indexes in oracle 10gr2 database.?
can any one help me out plz.

kk001 wrote:
Hi all,
db:oracle 10.2.0.3
os:solaris
i want rebuilt the some of the indexes (due poor performence of db)
how to find the unused indexes in oracle 10gr2 database.?
can any one help me out plz.You can use V$OBJECT_USAGE.
But how you decide need rebuilding indexes?
How you decide problem related indexes?
What is exactly your mean "due poor performence of db"? some queries hang/long running or whole system hang or has poor performance?
In generally do not need rebuilding index(unless specially cases),first give we above questions`s answers.

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