-- With time (RAC version)
col "Sid Serial#" for a15
col "Logon time" for a20
col spid for a6
select b.sid||','||b.serial# as "Sid Serial#", a.inst_id, b.status,
a.spid, to_char(b.logon_time, 'dd Mon yyyy, hh24:mi') as "Logon time", b.client_info
from gv$process a, gv$session b
where a.addr=b.paddr and a.inst_id = b.inst_id and lower(client_info) like '%rman%';
-- Basic and (Non-RAC)
select b.sid, b.serial#, a.spid, b.client_info
from v$process a, v$session b where a.addr=b.paddr and client_info like '%rman%';
Tuesday, 19 March 2019
RMAN session / rman longops
Wednesday, 13 March 2019
Is database standby
Quick check to see if the instance is standby or primary?
SQL> select database_role from v$database;
DATABASE_ROLE
----------------
PHYSICAL STANDBY
SQL> select controlfile_type from V$database;
CONTROL
-------
STANDBY
Useful sql
select to_char(max(next_time),'dd Mon yyyy hh24:mi:ss') from v$archived_log where applied = 'YES';
TO_CHAR(MAX(NEXT_TIME),'DDMON
-----------------------------
05 Mar 2019 07:24:02
alter session set nls_date_format='dd Mon yyyy hh24:mi:ss';
select * from (
SELECT FIRST_TIME, NEXT_TIME, SEQUENCE# FROM V$ARCHIVED_LOG ORDER BY SEQUENCE# desc) where rownum < 6 order by SEQUENCE#;
FIRST_TIME NEXT_TIME SEQUENCE#
----------------------------- ----------------------------- ----------
05 Feb 2019 06:39:02 05 Feb 2019 06:54:02 213003
05 Feb 2019 06:54:02 05 Feb 2019 07:09:02 213004
05 Feb 2019 07:09:02 05 Feb 2019 07:24:02 213005
05 Feb 2019 07:24:02 05 Feb 2019 07:39:02 213006
05 Feb 2019 07:39:02 05 Feb 2019 07:54:02 213007
Tuesday, 12 March 2019
Kill session
-- Current session
alter system kill session '213,98643';
alter system kill session '777,56244,@1';
-- Kill session from another instance
alter system kill session '66,64486,@2';
alter system kill session '66,64486' IMMEDIATE;
Wednesday, 16 January 2019
Schema Last analysed | Stale Stats
-- Summary of stale
select stale_stats, count(*) from user_tab_statistics group by stale_stats;
STA COUNT(*)
--- ----------
414
NO 2582
YES 199
select TABLE_NAME, STALE_STATS from user_tab_statistics where stale_stats = 'YES';
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