histogram history

nigelbayliss · nigelbayliss · commit ce83b719bd78 · 2019-06-14T11:15:44.000+01:00
diff --git a/optimizer/histogram_history/README.md b/optimizer/histogram_history/README.md
@@ -1,5 +1,10 @@
 <h2>List history information for histograms associated with a table</h2>
 
+This is a proof-of-concept script to list information on histogram changes over time for a chosen table. In particular, it reports: 
+
+-  Changes to histogram bucket count.
+-  When histograms were added and removed for each column.
+
 The main script is "h_hist.sql". It requires a DBA account and you supply two parameters:
 
 <pre>
