-- approval_clear_approved.sql   Clear Records from APPROVAL Table No Longer In Process and Unapproved
--**Use this information and these scripts at your own risk. As a condition of using these scripts and information from this site, you agree to hold harmless both the University of Arkansas Cooperative Extension Service and Bruce Knox for any problems that they may cause or other situations that may arise from their use, and that neither the Extension Service nor I will be held liable for those consequences. The scripts and information are provided "as is" without warranty, implied or otherwise. Limitation of liability will be the amount paid to the University of Arkansas specifically for this information. (It was free:) 
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DELETE
--SELECT
--APPROVAL_DOC_CODE||APPROVAL_USER_ID_APPR
FROM APPROVAL
 WHERE APPROVAL_DOC_CODE||APPROVAL_USER_ID_APPR NOT IN
(SELECT FOBUAPP_DOC_CODE||FORAQUS_USER_ID_APPR
       FROM
(SELECT  
-- Created from TABLE
-- FOBAINP: Approvals in Process Table
-- FOBUAPP: Unapproved Document Table 
-- FORAQUS: Approval Queue Definition Table
  FOBAINP_DOC_NUM   FOBAINP_DOC_NUM,  -- Document or Requisition Number
  FOBAINP_DOC_TYPE  FOBAINP_DOC_TYPE,
  FOBUAPP_DOC_CODE  FOBUAPP_DOC_CODE,
  FOBUAPP_SEQ_NUM   FOBUAPP_SEQ_NUM,
  FOBUAPP_CHG_SEQ_NUM FOBUAPP_CHG_SEQ_NUM,
  FOBUAPP_SUBMISSION_NUMBER FOBUAPP_SUBMISSION_NUMBER,
  FOBUAPP_STATUS_IND FOBUAPP_STATUS_IND,
  FOBAINP_ACTIVITY_DATE         FOBAINP_ACTIVITY_DATE,
  fobuapp_ACTIVITY_DATE fobuapp_ACTIVITY_DATE,
  FOBAINP_USER_ID,
  FOBAINP_QUEUE_ID  FOBAINP_QUEUE_ID, -- Approval_Queue
  FOBAINP_LEVEL     FOBAINP_LEVEL,    -- Approver_Level
  FOBAINP_CHG_SEQ_NUM       FOBAINP_CHG_SEQ_NUM,
  FOBAINP_SUBMISSION_NUM    FOBAINP_SUBMISSION_NUM,
  FOBAINP_APPROVAL_SEQUENCE FOBAINP_APPROVAL_SEQUENCE,
  FORAQUS_USER_ID_APPR      FORAQUS_USER_ID_APPR
   FROM FOBAINP, FOBUAPP, FORAQUS
WHERE fobainp_doc_num LIKE 'R%'
  AND fobainp_doc_num = fobuapp_doc_code
  AND fobainp_doc_type = fobuapp_seq_num
  AND ((fobainp_chg_seq_num = fobuapp_chg_seq_num) OR (fobainp_chg_seq_num IS NULL AND fobuapp_chg_seq_num IS NULL))
  AND ((fobainp_submission_num = fobuapp_submission_number) OR (fobainp_submission_num IS NULL AND fobuapp_submission_number IS NULL))
  AND fobainp_approval_sequence = 
(
SELECT MIN(x.fobainp_approval_sequence)
  FROM fobainp x
 WHERE x.fobainp_doc_num = fobuapp_doc_code
   AND x.fobainp_doc_num LIKE 'R%'
   AND x.fobainp_doc_type = fobuapp_seq_num 
   AND ((x.fobainp_chg_seq_num = fobuapp_chg_seq_num) OR (x.fobainp_chg_seq_num IS NULL AND fobuapp_chg_seq_num IS NULL)) 
   AND ((x.fobainp_submission_num = fobuapp_submission_number) OR (x.fobainp_submission_num IS NULL AND fobuapp_submission_number IS NULL))
)
   AND TRUNC(FORAQUS_EFF_DATE) <= SYSDATE
   AND      (FORAQUS_NCHG_DATE  > TRUNC(SYSDATE) OR FORAQUS_NCHG_DATE IS NULL)
   AND      (FORAQUS_TERM_DATE  > TRUNC(SYSDATE) OR FORAQUS_TERM_DATE IS NULL)
   AND foraqus_queue_id    = fobainp_queue_id
   AND foraqus_queue_level = fobainp_level
)
WHERE  FOBUAPP_STATUS_IND IS NULL
);