Fixing database script and adding information...

readme.md

@@ -62,4 +62,18 @@ When travelling you might opt for specifying a specific location on the command
 TZ=Australia/Sydney train squat 3 10 60
 ```
 
-Data in the database can be visualized with, for example, Grafana, more info to follow.
+Grafana Visaulisation
+=====================
+
+In `grafana/training-dashboard.json` a small dashboard is presented, a Postgres data source
+must be defined, and the data base user must have access to select from tables in the training database.
+
+```
+grant select on account to grafana_query;
+grant select on training to grafan_query;
+grant select on exercise to grafan_query;
+grant select on dailylist to grafan_query;
+```
+
+
+