query taking lot of time
The following query is taking lot of time , please help to tune the query
SELECT BILL_OUT.ACCT_KEY, BILL_OUT.DAY_KEY, BILL_OUT.DUE_STAGE,
BILL_OUT.MISC1_CD, BILL_OUT.FDR_CURR_QUEUE_ID, BILL_OUT.CURR_BAL,
BILL_OUT.CREDIT_LIMIT, BILL_OUT.EXT_STATUS_CD, BILL_OUT.INT_STATUS_CD,
BILL_OUT.ALT_LANGUAGE_FLAG, BILL_OUT.NEXT_WORK_DT, BILL_OUT.SYS_NUM,
BILL_OUT.PROC_SEG_KEY, BILL_OUT.PROC_STRAT_KEY, BILL_OUT.PROC_SITE_KEY,
BILL_OUT.NAREX_SCORE, BILL_OUT.BEACON_SCR, BILL_OUT.BEHAVIOR_SCORE,
- CLIENT.COLL_OP_PLAN_GROUP_NM as client1, CLIENT.P_L_LEVEL_1,