Not in function

Question

Hi Guys my query is attached below. I am just wondering whether i can show my out put without taking off the underlined column by using not in function.How i can use Not In function for that one?. Plz help.
SELECT PHY.PHYNAM,
decode (NETWORKPROTOCOL.LCC, 'Y', '<Lombardi Cancer Center>', '') ||
decode (NETWORKPROTOCOL.UMH, 'Y', ' <Union Memorial Hospital>', '') ||
decode (NETWORKPROTOCOL.GSH, 'Y', '<Good Somaritan Hospital>', '') ||
decode (NETWORKPROTOCOL.FSH, 'Y', '<Franklin Square Hospital>', '') ||
decode (NETWORKPROTOCOL.WHC, 'Y', '<Washington Hospital Center>', '') ||
decode (NETWORKPROTOCOL.HH, 'Y', '<Harbor Hospital>', '') as NETWORKID,
PRTCRC.FULLNAME,
CRCMTG.CRMTGDT, CRCMTG.CRCSTAT, PRTCRC.SUBMITTEDTOIRB,
PRTCRC.RECEIVEDIRBRESULTDATE,
PRTCRC.PRT, prtcrc.crcid,
PRTCRC.REVIEWSTATUS,
CRCMTG.CRCOUTCOME,
PRTCRC.REVIEWTYPE,
PRTCRC.MODIFICATIONDATE, PRTCRC.FINALIRBAPPROVALDATE,
PRTCRC.ACTIVATIONDATE, RECENTREAPPROVALDATE.RECENTREAPPROVAL,
recentamendmentdate.amenddate,
PRTCRC.CLOSURETOPATIENTACCRUAL, PRTCRC.TERMINATIONDATE,
prttype.descrip
FROM CRCMTG, PRTCRC, NETWORKPROTOCOL, RECENTREAPPROVALDATE, PHY, prttype, recentamendmentdate
WHERE
((CRCMTG.PRTCRCID(+)=PRTCRC.ID) AND
(NETWORKPROTOCOL.PRTCRCID(+)=PRTCRC.ID) AND
(PRTCRC.PRINCIPALINVESTIGATOR=PHY.PHY(+))
AND (PRTCRC.ID=RECENTREAPPROVALDATE.PRTCRCID(+))
AND (PRTCRC.ID=recentamendmentdate.PRTCRCID(+))
) and
to_date('01'||SUBSTR(LTRIM( NVL(PRTCRC.CRCID, TO_CHAR(sysdate, 'MMYYYY'))) , 1, 6), 'DDMMYYYY') >= :startdate
and
to_date('01'||SUBSTR(LTRIM( NVL(PRTCRC.CRCID, TO_CHAR(sysdate, 'MMYYYY'))) , 1, 6), 'DDMMYYYY') <= :enddate
) and
prtcrc.type=prttype.id(+) and
fullname is not null
order by &SORT

Answer 1

Something like this:
SQL*Plus: Release 10.2.0.1.0 - Production on Wed Jul 12 12:17:27 2006
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
Enter password:
Connected to:
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production
SQL> SELECT
  2  CASE
  3  when cola = 'Y' then 'COLA POPULATED'
  4  when colb = 'Y' then 'COLB POPULATED'
  5  when colc = 'Y' then 'COLC POPULATED'
  6  ELSE 'NOT FOUND' END my_case_stmt
  7  , rec_num
  8  FROM (SELECT 'Y' cola, 'N' colb, 'N' colc , 1 rec_num FROM DUAL
  9  UNION SELECT 'N' cola, 'Y' colb, 'N' colc , 2 rec_num FROM DUAL
10  UNION SELECT 'N' cola, 'N' colb, 'Y' colc , 3 rec_num FROM DUAL
11  UNION SELECT 'Y' cola, 'N' colb, 'Y' colc , 4 rec_num FROM DUAL) order by rec_num;
MY_CASE_STMT      REC_NUM
COLA POPULATED          1
COLB POPULATED          2
COLC POPULATED          3
COLA POPULATED          4or another example would be this:
SQL> SELECT
  2  CASE
  3  when cola = 'Y' and colc = 'Y' then 'COLAB POPULATED'
  4  when cola = 'Y' then 'COLA POPULATED'
  5  when colb = 'Y' then 'COLB POPULATED'
  6  when colc = 'Y' then 'COLC POPULATED'
  7  ELSE 'NOT FOUND' END my_case_stmt
  8  , rec_num
  9  FROM (SELECT 'Y' cola, 'N' colb, 'N' colc , 1 rec_num FROM DUAL
10  UNION SELECT 'N' cola, 'Y' colb, 'N' colc , 2 rec_num FROM DUAL
11  UNION SELECT 'N' cola, 'N' colb, 'Y' colc , 3 rec_num FROM DUAL
12  UNION SELECT 'Y' cola, 'N' colb, 'Y' colc , 4 rec_num FROM DUAL) order by rec_num;
MY_CASE_STMT       REC_NUM
COLA POPULATED           1
COLB POPULATED           2
COLC POPULATED           3
COLAB POPULATED          4Eric