Metrics vs Statistics
Here are the tuning metrics tables (SQL stats are not in “metric” tables per say) (*DBA_HIST_…_HISTORY views are sort of confusing....
Ignite Your Passion
Metrics vs Statistics
Wait Metrics vs Wait Events
Enqueue – PK, FK or Bitmap Index problem?
Oracle I/O latency monitoring
CURSOR_SHARING : a picture is worth a 1000 words
Oracle CPU Time
Where to begin with Oracle and SQL
TCP Trace Analysis for NFS
Oracle time units in V$ views