β οΈ Dropping an index is irreversible. Verify each suggestion with an explain-plan before dropping. Unused indexes may still protect FK constraints.
Unused Indexes (monitoring=YES, used=NO)
Prefix-Redundant Indexes
Detect unused monitored indexes (V$OBJECT_USAGE USED=NO) and prefix-redundant indexes (column list is a strict prefix of a longer sibling on the same table).