How to check Index is in sync with Table

Hi DBAS,
OS = RHEL 4
DB = 10.2.0.4
How do we sync an index to a table ? Can we sync an index? if an index is not having same number of records as in table ?
Thanks,
Hari

The question does not make sense.
An index is always "in sync" with a table.
The only context that talking about "synching" an index makes sense is with a "special" Oracle Text index.
if an index is not having same number of records as in table ?If you're talking about NUM_ROWS in ALL/USER/DBA_TABLES and ALL/USER/DBA_INDEXES then these are just statistics, not necessarily 100% accurate and possibly gathered at different times.
See http://docs.oracle.com/cd/E11882_01/server.112/e25789/indexiot.htm#CNCPT811:
The database automatically maintains and uses indexes after they are created.
The database also automatically reflects changes to data, such as adding, updating,
and deleting rows, in all relevant indexes with no additional actions required by users.

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