2026-03-12 20:23:15

vdh/top_temp_tbs_usage.sql

@@ -0,0 +1,83 @@
+column temp_used_mb format 999G999G999D99
+
+set verify off
+
+prompt Enter the begindate in the format DD/MM/YYYY HH24:MI
+accept bdate prompt 'begin date: '
+
+prompt Enter the enddate in the format DD/MM/YYYY HH24:MI
+accept edate prompt 'end date: '
+
+
+with samples 
+as
+  ( select
+      sample_time,
+      nvl(qc_instance_id, instance_number) inst_id,
+      nvl(qc_session_id, session_id) sess_id,
+      nvl(qc_session_serial#, session_serial#) sess_serial#,
+      sql_id,
+      temp_space_allocated
+    from
+      dba_hist_active_sess_history
+    where
+      temp_space_allocated is not null
+      and sample_time between to_date('&bdate', 'DD/MM/YYYY HH24:MI') and to_date('&edate', 'DD/MM/YYYY HH24:MI')
+    union
+    select
+      sample_time,
+      nvl(qc_instance_id, inst_id) inst_id,
+      nvl(qc_session_id, session_id) sess_id,
+      nvl(qc_session_serial#, session_serial#) sess_serial#,
+      sql_id,
+      temp_space_allocated
+    from
+      gv$active_session_history
+    where
+      temp_space_allocated is not null
+      and sample_time between to_date('&bdate', 'DD/MM/YYYY HH24:MI') and to_date('&edate', 'DD/MM/YYYY HH24:MI')
+  ),
+grouped_samples
+as
+  ( select
+      sample_time,
+      inst_id,
+      sess_id,
+      sess_serial#,
+      sql_id,
+      sum(temp_space_allocated)/1024/1024 temp_used_mb
+    from
+      samples
+    group by
+      sample_time,
+      inst_id,
+      sess_id,
+      sess_serial#, 
+      sql_id
+  )
+select
+  to_char(sample_time,'DD/MM/YYYY HH24:MI:SS') datestr,
+  inst_id,
+  sess_id,
+  sess_serial#,
+  sql_id,
+  temp_used_mb
+from
+  ( select
+      sample_time,
+      inst_id,
+      sess_id,
+      sess_serial#,
+      sql_id,
+      temp_used_mb
+    from
+      grouped_samples
+    order by
+      temp_used_mb desc
+  )
+where
+  rownum <= 30
+;
+
+undef bdate
+undef edate