bedbmsguru

select substr(tabschema, 1, 8) || '.' || substr(tabname, 1, 16) tablename
     , lock_name
     , substr(lock_object_type, 1, 12) lock_object_type
    , req_application_handle
     , req_member
     , substr(req_application_name, 1, 14) req_app_name
     , hld_member
     , hld_application_handle
     , substr(hld_application_name, 1, 14) hld_app_name
     , substr(req_stmt_text, 1, 32) req_stmt
     , substr(hld_current_stmt_text, 1, 26) hel_cur_stmt
  from sysibmadm.mon_lockwaits
;

req_application_handle 값으로 kill 한다.
--CALL SYSPROC.ADMIN_CMD('FORCE APPLICATION (124236)');

SELECT f.name, OBJECT_NAME(f.parent_object_id) TableName, COL_NAME(fc.parent_object_id,fc.parent_column_id) ColName

FROM sys.foreign_keys AS f

INNER JOIN sys.foreign_key_columns AS fc

    ON f.OBJECT_ID = fc.constraint_object_id

INNER JOIN sys.tables t

    ON t.OBJECT_ID = fc.referenced_object_id

WHERE OBJECT_NAME (f.referenced_object_id) = '테이블명'

출처: https://hackhyun.tistory.com/250 [전산이야기]

1.undo 사용량 확인

SELECT TO_CHAR(s.sid)||',' ||TO_CHAR(s.serial#) sid_serial,
         NVL(s.username, 'None') orauser,
         s.program,
         r.name undoseg,
         ROUND(t.used_ublk * TO_NUMBER(x.value)/1024/1024, 2)||'M' "Undo"
FROM   sys.v_$rollname    r,
        sys.v_$session     s,
        sys.v_$transaction t,
        sys.v_$parameter   x
WHERE s.taddr = t.addr
AND r.usn   = t.xidusn(+)
AND x.name  = 'db_block_size'
ORDER BY (t.used_ublk * TO_NUMBER(x.value/1024)) DESC

2. 현재 Rollback 진행률 확인

select OPNAME,TARGET,SOFAR,TOTALWORK,UNITS,START_TIME,TIME_REMAINING, ELAPSED_SECONDS

from v$session_longops where username='SCOTT';

--출처

https://positivemh.tistory.com/181