2026-03-12 20:23:15

tpt/uds.sql

@@ -0,0 +1,35 @@
+-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
+-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
+
+prompt Show undo statistics from V$UNDOSTAT....
+col uds_mb head MB format 999999.99
+col uds_mb_sec head "MB/s" format 999999.99
+col uds_maxquerylen head "MAX|QRYLEN" format 999999
+col uds_maxqueryid  head "MAX|QRY_ID" format a13 
+col uds_ssolderrcnt head "ORA-|1555" format 9999
+col uds_nospaceerrcnt head "SPC|ERR" format 99999
+col uds_unxpstealcnt head "UNEXP|STEAL" format 9999999
+col uds_expstealcnt head "EXP|STEAL" format 9999999
+
+select * from (
+    select 
+        begin_time, 
+        to_char(end_time, 'HH24:MI:SS') end_time, 
+        txncount, 
+        undoblks * (select block_size from dba_tablespaces where upper(tablespace_name) = 
+                        (select upper(value) from v$parameter where name = 'undo_tablespace')
+                   ) / 1048576 uds_MB ,
+        undoblks * (select block_size from dba_tablespaces where upper(tablespace_name) = 
+                        (select upper(value) from v$parameter where name = 'undo_tablespace')
+                   ) / ((end_time-begin_time) * 86400) / 1048576 uds_MB_sec ,
+        maxquerylen uds_maxquerylen,
+        maxqueryid  uds_maxqueryid,
+        ssolderrcnt uds_ssolderrcnt,
+        nospaceerrcnt uds_nospaceerrcnt,
+ 	unxpstealcnt uds_unxpstealcnt,
+	expstealcnt uds_expstealcnt
+    from 
+        v$undostat
+    order by
+        begin_time desc
+) where rownum <= 30;