How to eliminate joins to improve performance

Question

i have a query:
from D236OT00.ASN1_COMP_NB CP LEFT OUTER JOIN D236OT00.NB01_COMP_DEP_NB CD
     on(CP.SRVC_LOC_ID = CD.CHLD_SRVC_LOC_ID
          and CP.ORD_ITEM_ID = CD.CHLD_ORD_ITEM_ID
          and CP.PRMRY_COMP_CD = CD.CHLD_PRMRY_COMP_CD
          and CP.SECNDRY_COMP_CD = CD.CHLD_SCN_COMP_CD
     and CP.ORD_ITEM_SEQ = CD.CHLD_ORD_ITEM_SEQ
          and CD.DEP_TYPE_CD = 'HI'
          and CD.RECORD_EFF_END_DT = '9999-12-31'
          and CD.EFF_END_DT > CURRENT DATE)
LEFT OUTER JOIN D236OT00.ASN2_RESOURCE_NB RS
on(CP.ORD_ITEM_ID = RS.ORD_ITEM_ID
          and CP.ORD_ITEM_SEQ = RS.ORD_ITEM_SEQ
          and CP.PRMRY_COMP_CD = RS.PRMRY_COMP_CD
          and CP.SECNDRY_COMP_CD = RS.SECNDRY_COMP_CD
          and RS.RECORD_EFF_END_DT = '9999-12-31'
          and RS.RESR_EFF_END_DT > CURRENT DATE)
LEFT OUTER JOIN D236OT00.CSTI_CUST_INFO_MP CS
on(RS.OWNER_ACCT_ID = CS.OWNER_ACCT_ID
          and RS.OWNER_SRVC_LOC_ID = CS.OWNER_SRVC_LOC_ID
          and RS.RESR_ID = CS.RESR_ID and RS.RESR_GRP_TYP = CS.RESR_GRP_TYP
          and RS.RESR_TYPE = CS.RESR_TYPE and CS.START_NBR = ''
          and CS.EFF_END_DT = '9999-12-31' and CS.RATE_END_EFF_DATE = '9999-12-31')
where CP.ORD_ITEM_ID = ? and CP.ORD_ITEM_SEQ = ? and CP.PRMRY_COMP_CD = ? and
CP.RECORD_EFF_END_DT = '9999-12-31' and CP.EFF_END_DT > CURRENT DATE
it has quite a few joins... any way to eliminate these joins to improve performance? Kindly help as this is urgent

Answer 1

from D236OT00.ASN1_COMP_NB CP LEFT OUTER JOIN D236OT00.NB01_COMP_DEP_NB CD
on(CP.SRVC_LOC_ID = CD.CHLD_SRVC_LOC_ID
and CP.ORD_ITEM_ID = CD.CHLD_ORD_ITEM_ID
and CP.PRMRY_COMP_CD = CD.CHLD_PRMRY_COMP_CD
and CP.SECNDRY_COMP_CD = CD.CHLD_SCN_COMP_CD
and CP.ORD_ITEM_SEQ = CD.CHLD_ORD_ITEM_SEQ
and CD.DEP_TYPE_CD = 'HI'
and CD.RECORD_EFF_END_DT = '9999-12-31'
and CD.EFF_END_DT > CURRENT DATE)
LEFT OUTER JOIN D236OT00.ASN2_RESOURCE_NB RS
on(CP.ORD_ITEM_ID = RS.ORD_ITEM_ID
and CP.ORD_ITEM_SEQ = RS.ORD_ITEM_SEQ
and CP.PRMRY_COMP_CD = RS.PRMRY_COMP_CD
and CP.SECNDRY_COMP_CD = RS.SECNDRY_COMP_CD
and RS.RECORD_EFF_END_DT = '9999-12-31'
and RS.RESR_EFF_END_DT > CURRENT DATE)
LEFT OUTER JOIN D236OT00.CSTI_CUST_INFO_MP CS
on(RS.OWNER_ACCT_ID = CS.OWNER_ACCT_ID
and RS.OWNER_SRVC_LOC_ID = CS.OWNER_SRVC_LOC_ID
and RS.RESR_ID = CS.RESR_ID and RS.RESR_GRP_TYP = CS.RESR_GRP_TYP
and RS.RESR_TYPE = CS.RESR_TYPE and CS.START_NBR = ''
and CS.EFF_END_DT = '9999-12-31' and CS.RATE_END_EFF_DATE = '9999-12-31')
where CP.ORD_ITEM_ID = ? and CP.ORD_ITEM_SEQ = ? and CP.PRMRY_COMP_CD = ? and
CP.RECORD_EFF_END_DT = '9999-12-31' and CP.EFF_END_DT > CURRENT DATEYou have not used tags.
it has quite a few joins... any way to eliminate these joins to improve performance? Kindly help as this is urgentBy saying urgent you have lost 99% of points for the volunteer to answer. This is considered as rude.
Your query is incomplete. There is no database version, no os version.
Where is your research? How do you came to that conculsion? Where is the explain plan?
I think you have to repost along with the complete details.
Thank you.