Index tracking is useful to know if the index is being used or not and then delete it. In this post I’ll be creating a table called techdatabasket_customers, an index called techdatabasket_index and later activating index monitoring through the command “ALTER INDEX <index_name> MONITORING USAGE;” to finally use the view dba_object_usage (In previous versions of 12.1, the view was called V$OBJECT_USAGE) to get the information in the USED field with the value “YES” meaning that the index is being used and “NO” meaning that the index is not being…