2026-03-12 20:23:15

vdh/get_curr_undo_span.sql

@@ -0,0 +1,20 @@
+column curr_undo_span format a30 heading "Flasback Query Possible Until"
+
+select
+  to_char(systimestamp - numtodsinterval (min(tuned_undoretention), 'second'), 'DD/MM/YYYY HH24:MI:SS TZR') curr_undo_span
+from
+  ( select
+      inst_id,
+      tuned_undoretention,
+      row_number() over
+        ( partition by inst_id
+          order by begin_time desc
+        ) as rn
+    from
+      gv$undostat
+  )
+where
+  rn = 1
+order by
+  inst_id
+;