Maybe having a bad hairday but following code will give me for every period number the sum of all work in progress for the period plus the previous 12 periods. Basically it takes the period number from the current record and sums a column of that record with the previous 12 periods.
year period value 2000 1 1 2000 2 2 2000 3 3 2000 4 4 2000 5 5 2000 6 6 2000 7 7 2000 8 8 2000 9 9 2000 10 10 2000 11 11 2000 12 12 2001 1 13 2001 2 14 2001 3 15 So for period 2001 1 I need the values 1 thru 13 added together (91) Period 2001 2 needs to be the values 2 thru 14 added together (104) etc.... As you maybe can imagine the explain plan for this baby is 4 full tablescans on quite large tables. (see below) My question is if somebody has a better solution to handle this query????? Oracle 8.0.5 !!! AIX 4.3.3 SELECT V1.ENGAGEMENT , V1.YEAR , V1.PERIOD , MAX(V1.NET_FEE_EARNED_PTD) , MAX(V1.EXP_WIP_VAL_PTD) , SUM(V2.TIME_WIP_VAL) , MAX(V1.GNRL_WON) , MAX(V1.GNRL_WOFF) , MAX(V1.TIME_WOFF) , MAX(V1.WIP_PROV) , MAX(V1.EXP_WOFF) , MAX(V1.DB_WOFF) , MAX(V1.DB_PROV) FROM ( select max(WSTAT.ENG_NUMB) AS ENGAGEMENT, max(WSTAT.FNANCL_YEAR) AS YEAR, max(WSTAT.PRD_NUMB) AS PERIOD, SUM(NVL(WSTAT.TIME_WIP_VAL_PTD, 0)) + SUM(NVL(WSTAT.GNRL_W_ON_PTD, 0)) - SUM(NVL(WSTAT.GNRL_W_OFF_PTD, 0)) - SUM(NVL(WSTAT.TIME_WIP_VAL_W_OFF_PTD, 0)) - SUM(NVL(WSTAT.WIP_PRVSN_PTD, 0)) - SUM(NVL(WSTAT.EXP_WIP_VAL_W_OFF_PTD, 0)) - SUM(NVL(DSTAT.DBTRS_W_OFF_PTD, 0)) - SUM(NVL(DSTAT.DBTRS_PRVSN_PTD, 0)) NET_FEE_EARNED_PTD, SUM(NVL(WSTAT.EXP_WIP_VAL_PTD,0)) EXP_WIP_VAL_PTD, SUM(NVL(WSTAT.TIME_WIP_VAL_PTD, 0)) TIME_WIP_VAL, SUM(NVL(WSTAT.GNRL_W_ON_PTD, 0)) GNRL_WON, SUM(NVL(WSTAT.GNRL_W_OFF_PTD, 0)) GNRL_WOFF, SUM(NVL(WSTAT.TIME_WIP_VAL_W_OFF_PTD, 0)) TIME_WOFF, SUM(NVL(WSTAT.WIP_PRVSN_PTD, 0)) WIP_PROV, SUM(NVL(WSTAT.EXP_WIP_VAL_W_OFF_PTD, 0)) EXP_WOFF, SUM(NVL(DSTAT.DBTRS_W_OFF_PTD, 0)) DB_WOFF, SUM(NVL(DSTAT.DBTRS_PRVSN_PTD, 0)) DB_PROV FROM ENG_WIP_STATS WSTAT, ENG_DBTRS_STATS DSTAT WHERE WSTAT.ENG_NUMB(+)=DSTAT.ENG_NUMB AND WSTAT.FNANCL_YEAR=DSTAT.FNANCL_YEAR AND WSTAT.PRD_NUMB=DSTAT.PRD_NUMB GROUP BY WSTAT.ENG_NUMB, WSTAT.FNANCL_YEAR, WSTAT.PRD_NUMB ) v1, ( select max(WSTAT.ENG_NUMB) AS ENGAGEMENT, max(WSTAT.FNANCL_YEAR) AS YEAR, max(WSTAT.PRD_NUMB) AS PERIOD, SUM(NVL(WSTAT.TIME_WIP_VAL_PTD, 0)) + SUM(NVL(WSTAT.GNRL_W_ON_PTD, 0)) - SUM(NVL(WSTAT.GNRL_W_OFF_PTD, 0)) - SUM(NVL(WSTAT.TIME_WIP_VAL_W_OFF_PTD, 0)) - SUM(NVL(WSTAT.WIP_PRVSN_PTD, 0)) - SUM(NVL(WSTAT.EXP_WIP_VAL_W_OFF_PTD, 0)) - SUM(NVL(DSTAT.DBTRS_W_OFF_PTD, 0)) - SUM(NVL(DSTAT.DBTRS_PRVSN_PTD, 0)) NET_FEE_EARNED_PTD, SUM(NVL(WSTAT.EXP_WIP_VAL_PTD,0)) EXP_WIP_VAL_PTD, SUM(NVL(WSTAT.TIME_WIP_VAL_PTD, 0)) TIME_WIP_VAL, SUM(NVL(WSTAT.GNRL_W_ON_PTD, 0)) GNRL_WON, SUM(NVL(WSTAT.GNRL_W_OFF_PTD, 0)) GNRL_WOFF, SUM(NVL(WSTAT.TIME_WIP_VAL_W_OFF_PTD, 0)) TIME_WOFF, SUM(NVL(WSTAT.WIP_PRVSN_PTD, 0)) WIP_PROV, SUM(NVL(WSTAT.EXP_WIP_VAL_W_OFF_PTD, 0)) EXP_WOFF, SUM(NVL(DSTAT.DBTRS_W_OFF_PTD, 0)) DB_WOFF, SUM(NVL(DSTAT.DBTRS_PRVSN_PTD, 0)) DB_PROV FROM ENG_WIP_STATS WSTAT, ENG_DBTRS_STATS DSTAT WHERE WSTAT.ENG_NUMB(+)=DSTAT.ENG_NUMB AND WSTAT.FNANCL_YEAR=DSTAT.FNANCL_YEAR AND WSTAT.PRD_NUMB=DSTAT.PRD_NUMB GROUP BY WSTAT.ENG_NUMB, WSTAT.FNANCL_YEAR, WSTAT.PRD_NUMB ) V2 WHERE v1.ENGAGEMENT=V2.ENGAGEMENT(+) AND TO_DATE(V2.YEAR(+)||V2.PERIOD(+),'YYYYMM') >= ADD_MONTHS(TO_DATE(V1.YEAR||V1.PERIOD,'YYYYMM'),-12) AND TO_DATE(V2.YEAR(+)||V2.PERIOD(+),'YYYYMM') <= TO_DATE(V1.YEAR||V1.PERIOD,'YYYYMM') GROUP BY V1.ENGAGEMENT , V1.YEAR , V1.PERIOD Explain plan: ID PID QUERY_PLAN ----- ----- ------------------------------------------------------------------------------------ 0 SELECT STATEMENT Cost = 12531921 1 0 SORT GROUP BY Card=62754915 2 1 MERGE JOIN OUTER Card=62754915 3 2 SORT JOIN Card=1584360 4 3 VIEW Card=1584360 5 4 SORT GROUP BY Card=1584360 6 5 FILTER Card= 7 6 MERGE JOIN OUTER Card= 8 7 SORT JOIN Card=1354977 9 8 TABLE ACCESS FULL ENG_DBTRS_STATS Card=1354977 10 7 SORT JOIN Card=1956365 11 10 TABLE ACCESS FULL ENG_WIP_STATS Card=1956365 12 2 FILTER Card= 13 12 SORT JOIN Card= 14 13 VIEW Card=1584360 15 14 SORT GROUP BY Card=1584360 16 15 FILTER Card= 17 16 MERGE JOIN OUTER Card= 18 17 SORT JOIN Card=1354977 19 18 TABLE ACCESS FULL ENG_DBTRS_STATS Card=1354977 20 17 SORT JOIN Card=1956365 21 20 TABLE ACCESS FULL ENG_WIP_STATS Card=1956365 THX =================================================================== De informatie verzonden in dit e-mailbericht is vertrouwelijk en is uitsluitend bestemd voor de geadresseerde. 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