개발새발

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 select item_id , deal_date , price_close , ROUND((CASE WHEN 5 = COUNT(*) OVER (ORDER BY deal_date ROWS BETWEEN 4 PRECEDING AND CURRENT ROW) THEN AVG(SUM(price_close)) OVER (ORDER BY deal_date RO..