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Thursday, September 27, 2012

Check RMAN command / script syntax


 check syntax for RMAN commands without running the RMAN.
Example: Checking syntax of commands on the command line.


$ rman checksyntax


Copyright (c) 1982, 2005, Oracle. All rights reserved.


RMAN> backup database;
The command has no syntax errors

RMAN> exit

Example: Checking syntax of commands on the command script.

$ cat backup.txt

connect target /
connect catalog rmancatalog/rmancatlog@catalog
run {
backup database;
}


$ rman checksyntax @backup.txt


Recovery Manager: Release 10.2.0.1.0 – Production on Sun Nov 30 09:31:51 2008
Copyright (c) 1982, 2005, Oracle. All rights reserved.


RMAN> connect target *
2> connect catalog *
3>
4> run {
5> backup database;
6> }
7>
The cmdfile has no syntax errors


Recovery Manager complete.


Verify Database 32/64 bit creation


to check  database been created originally in a 32-bit environment and is now on a 64-bit platform


select decode(instr(metadata, 'B023'),
              0,
              '64bit Database',
              '32bit Database') "DB Creation"
  from kopm$;



Saturday, September 8, 2012

DB Buffer Usage Query


-- DB Buffer Usage


select decode(state,
            0, 'Free',
            1, decode(lrba_seq, 0, 'Available', 'Being Modified'),     
            2, 'Not Modified',
            3, 'Being Read',
               'Other') block_status,
            count(*) "count"
from sys.x$bh
group by decode(state,
            0, 'Free',
            1, decode(lrba_seq, 0, 'Available', 'Being Modified'),     
            2, 'Not Modified',
            3, 'Being Read',
       'Other');



CPU USAGE BY current Users


--- CPU USAGE BY USER


        SELECT s.sid,
     s.serial#,
     nvl(s.username, '[ORACLE PROCESS]') user_name,
     s.osuser os_user,
     k.ksusestv cpu_usage,
     s.program,
     s.client_info,
     s.module,
     s.machine,
     s.action,
     s.logon_time
FROM v$session s,
     sys.x$ksusesta k
WHERE k.indx = s.sid
      AND k.ksusestn = 12
  AND s.type != 'BACKGROUND'
ORDER BY k.ksusestv DESC



Friday, August 31, 2012

Find Power Privileges given to users



To check which Powerful privileges are granted to users perform following query.




select grantee, privilege, admin_option
from   sys.dba_sys_privs
where  (privilege like '% ANY %'
  or   privilege in ('BECOME USER', 'UNLIMITED TABLESPACE')
  or   admin_option = 'YES')
 and   grantee not in ('SYS', 'SYSTEM', 'OUTLN', 'AQ_ADMINISTRATOR_ROLE',
                       'DBA', 'EXP_FULL_DATABASE', 'IMP_FULL_DATABASE',
                       'OEM_MONITOR', 'CTXSYS', 'DBSNMP', 'IFSSYS',
                       'MDSYS', 'ORDPLUGINS', 'ORDSYS'
                       )


Oracle User info using Process ID





set serveroutput on size 50000
set echo off feed off veri off
accept 1 prompt 'Enter Unix process id: '

DECLARE
  v_sid number;
  s sys.v_$session%ROWTYPE;
  p sys.v_$process%ROWTYPE;
BEGIN
  begin
    select sid into v_sid
    from   sys.v_$process p, sys.v_$session s
    where  p.addr     = s.paddr
      and  (p.spid    = &&1
       or   s.process = '&&1');
  exception
    when no_data_found then
      dbms_output.put_line('Unable to find process id &&1!!!');
      return;
    when others then
      dbms_output.put_line(sqlerrm);
      return;
  end;

  select * into s from sys.v_$session where sid  = v_sid;
  select * into p from sys.v_$process where addr = s.paddr;

  dbms_output.put_line('==================================================');
  dbms_output.put_line('SID/Serial  : '|| s.sid||','||s.serial#);
  dbms_output.put_line('Foreground  : '|| 'PID: '||s.process||' - '||s.program);
  dbms_output.put_line('Shadow      : '|| 'PID: '||p.spid||' - '||p.program);
  dbms_output.put_line('Terminal    : '|| s.terminal || '/ ' || p.terminal);
  dbms_output.put_line('OS User     : '|| s.osuser||' on '||s.machine);
  dbms_output.put_line('Ora User    : '|| s.username);
  dbms_output.put_line('Status Flags: '|| s.status||' '||s.server||' '||s.type);
  dbms_output.put_line('Tran Active : '|| nvl(s.taddr, 'NONE'));
  dbms_output.put_line('Login Time  : '|| to_char(s.logon_time, 'Dy HH24:MI:SS'));
  dbms_output.put_line('Last Call   : '|| to_char(sysdate-(s.last_call_et/60/60/24), 'Dy HH24:MI:SS') || ' - ' || to_char(s.last_call_et/60, '990.0') || ' min');
  dbms_output.put_line('Lock/ Latch : '|| nvl(s.lockwait, 'NONE')||'/ '||nvl(p.latchwait, 'NONE'));
  dbms_output.put_line('Latch Spin  : '|| nvl(p.latchspin, 'NONE'));

  dbms_output.put_line('Current SQL statement:');
  for c1 in ( select * from sys.v_$sqltext
              where HASH_VALUE = s.sql_hash_value order by piece) loop
    dbms_output.put_line(chr(9)||c1.sql_text);
  end loop;

  dbms_output.put_line('Previous SQL statement:');
  for c1 in ( select * from sys.v_$sqltext
              where HASH_VALUE = s.prev_hash_value order by piece) loop
    dbms_output.put_line(chr(9)||c1.sql_text);
  end loop;

  dbms_output.put_line('Session Waits:');
  for c1 in ( select * from sys.v_$session_wait where sid = s.sid) loop
    dbms_output.put_line(chr(9)||c1.state||': '||c1.event);
  end loop;

--  dbms_output.put_line('Connect Info:');
--  for c1 in ( select * from sys.v_$session_connect_info where sid = s.sid) loop
--    dbms_output.put_line(chr(9)||': '||c1.network_service_banner);
--  end loop;

  dbms_output.put_line('Locks:');
  for c1 in ( select /*+ ordered */
          decode(l.type,
          -- Long locks
                      'TM', 'DML/DATA ENQ',   'TX', 'TRANSAC ENQ',
                      'UL', 'PLS USR LOCK',
          -- Short locks
                      'BL', 'BUF HASH TBL''CF', 'CONTROL FILE',
                      'CI', 'CROSS INST F''DF', 'DATA FILE   ',
                      'CU', 'CURSOR BIND ',
                      'DL', 'DIRECT LOAD ''DM', 'MOUNT/STRTUP',
                      'DR', 'RECO LOCK   ''DX', 'DISTRIB TRAN',
                      'FS', 'FILE SET    ''IN', 'INSTANCE NUM',
                      'FI', 'SGA OPN FILE',
                      'IR', 'INSTCE RECVR''IS', 'GET STATE   ',
                      'IV', 'LIBCACHE INV''KK', 'LOG SW KICK ',
                      'LS', 'LOG SWITCH  ',
                      'MM', 'MOUNT DEF   ''MR', 'MEDIA RECVRY',
                      'PF', 'PWFILE ENQ  ''PR', 'PROCESS STRT',
                      'RT', 'REDO THREAD ''SC', 'SCN ENQ     ',
                      'RW', 'ROW WAIT    ',
                      'SM', 'SMON LOCK   ''SN', 'SEQNO INSTCE',
                      'SQ', 'SEQNO ENQ   ''ST', 'SPACE TRANSC',
                      'SV', 'SEQNO VALUE ''TA', 'GENERIC ENQ ',
                      'TD', 'DLL ENQ     ''TE', 'EXTEND SEG  ',
                      'TS', 'TEMP SEGMENT''TT', 'TEMP TABLE  ',
                      'UN', 'USER NAME   ''WL', 'WRITE REDO  ',
                      'TYPE='||l.type) type,
       decode(l.lmode, 0, 'NONE', 1, 'NULL', 2, 'RS', 3, 'RX',
                       4, 'S',    5, 'RSX'6, 'X',
                       to_char(l.lmode) ) lmode,
       decode(l.request, 0, 'NONE', 1, 'NULL', 2, 'RS', 3, 'RX',
                         4, 'S', 5, 'RSX', 6, 'X',
                         to_char(l.request) ) lrequest,
       decode(l.type, 'MR', o.name,
                      'TD', o.name,
                      'TM', o.name,
                      'RW', 'FILE#='||substr(l.id1,1,3)||
                            ' BLOCK#='||substr(l.id1,4,5)||' ROW='||l.id2,
                      'TX', 'RS+SLOT#'||l.id1||' WRP#'||l.id2,
                      'WL', 'REDO LOG FILE#='||l.id1,
                      'RT', 'THREAD='||l.id1,
                      'TS', decode(l.id2, 0, 'ENQUEUE', 'NEW BLOCK ALLOCATION'),
                      'ID1='||l.id1||' ID2='||l.id2) objname
       from  sys.v_$lock l, sys.obj$ o
       where sid   = s.sid
         and l.id1 = o.obj#(+) ) loop
    dbms_output.put_line(chr(9)||c1.type||' H: '||c1.lmode||' R: '||c1.lrequest||' - '||c1.objname);
  end loop;


  dbms_output.put_line('=======================================================');

END;
/

undef 1