estimated of CLUSTERING_FACTOR

Hi,

i was reading some paper related on clustering factor, this column aimed to identified if the rows of a table are synchronized (ordered) with the index.
If i don't mistake, the value of clustering_factor have to approached to number of blocks of the table and more far away from number of rows.

So, if i have understood well, main indications on this column are:

1. if c factor is lower than blocks, maybe the table could have problems of fragmentation because of many DML statements (insert and delete)
2. if c factor is higher than blocks and it approach to num_rows, then the rows in the index are not ordered (not sync with the index).

In first case: is SHRINK the table a method for resolve the problem? In second case: rebuild index resolve order of the rows ?

Or, for both case the only best method is truncate and reinsert all rows?

thanks for your advice and opinions.
bye

--
Andrea
( a guy that tries to become to DBA)