adding scripts

Scripts/ExtractingData.sql

@@ -633,4 +633,26 @@ select count(distinct nct_id) from formatted_data_with_planned_enrollment;--48
 
 
 
+select count(distinct nct_id) from public.view_trial_to_cause; --130
+select count(distinct nct_id) from formatted_data_with_planned_enrollment;--48
+
 
+--get durations and count snapshots per trial per trial
+with cte1 as (
+select 
+    nct_id, 
+    start_date , 
+    primary_completion_date, 
+    overall_status ,
+    primary_completion_date - start_date as duration
+from ctgov.studies s 
+where nct_id in (select distinct nct_id from http.download_status ds)
+), cte2 as (
+select nct_id,count(*) as snapshot_count from formatted_data_with_planned_enrollment fdwpe
+group by nct_id
+)
+select a.nct_id, a.overall_status, a.duration,b.snapshot_count
+from cte1 as a
+    join cte2 as b
+        on a.nct_id=b.nct_id
+;