2026-03-12 20:23:15

vg/open_cursors_max_usage.sql

@@ -0,0 +1,47 @@
+select 
+  'session_cached_cursors'  parameter, 
+  lpad(value, 5)  value, 
+  decode(value, 0, '  n/a', to_char(100 * used / value, '990') || '%')  usage 
+from 
+  ( select 
+      max(s.value)  used 
+    from 
+      v$statname  n, 
+      v$sesstat  s 
+    where 
+      n.name = 'session cursor cache count' and 
+      s.statistic# = n.statistic# 
+  ), 
+  ( select 
+      value 
+    from 
+      v$parameter 
+    where 
+      name = 'session_cached_cursors' 
+  ) 
+union all 
+select 
+  'open_cursors', 
+  lpad(value, 5), 
+  to_char(100 * used / value,  '990') || '%' 
+from 
+  ( select 
+      max(sum(s.value))  used 
+    from 
+      v$statname  n, 
+      v$sesstat  s 
+    where 
+      n.name in ('opened cursors current', 'session cursor cache count') and 
+      s.statistic# = n.statistic# 
+    group by 
+      s.sid 
+  ), 
+  ( select 
+      value 
+    from 
+      v$parameter 
+    where 
+      name = 'open_cursors' 
+  )
+/
+