Out of deep Woods- Thanking the Heavens!!

A few days back, I found a huge index on my mainfinished. This table was then replicated to three other
transaction table in primary production database(9idatabases using updateable materialized view
RAC Database), which I suspected was not beingsetup.So this production database became the
used by any query. So I decided to monitor its usagemaster site for replication.
using oracle 9i Monitoring usage command. And afterTo my surprise, I found out that even though 45
monitoring it for a week, I found out that it was notminutes of production time had elapsed, no new
beingused by any query. I dropped it just beforerecords were appended to the main transaction table
production hour began on Monday after weeklywhose unused function based index was dropped.
backup and other maintenance activities were