Update 35_get_cursor_usage.sql

sql/35_get_cursor_usage.sql

@@ -5,21 +5,17 @@ select
 	lpad(value, 5) value,
 	decode(value, 0, ' n/a', to_char(100 * used / value, '990') || '%') usage
 from
-( select
+( 
-max(s.value) used
+	select	max(s.value) used
-from
+	from v$statname n, v$sesstat s
-v$statname n,
-v$sesstat s
 	where
-n.name = 'session cursor cache count' and
+		n.name = 'session cursor cache count'
-s.statistic# = n.statistic#
+		and s.statistic# = n.statistic#
 ),
-( select
+( 
-value
+	select value
-from
+	from v$parameter
-v$parameter
+	where name = 'session_cached_cursors'
-where
-name = 'session_cached_cursors'
 )
 union all
 select
@@ -27,23 +23,18 @@ select
 	lpad(value, 5),
 	to_char(100 * used / value, '990') || '%'
 from
-( select
+( 
-max(sum(s.value)) used
+	select max(sum(s.value)) used
-from
+	from v$statname n, v$sesstat s
-v$statname n,
-v$sesstat s
 	where
 		n.name in ('opened cursors current') and
 		s.statistic# = n.statistic#
-group by
+	group by s.sid
-s.sid
 ),
-( select
+( 
-value
+	select value
-from
+	from v$parameter
-v$parameter
+	where name = 'open_cursors'
-where
-name = 'open_cursors'
 )
 ;