Slide 57
Slide 57 text
57
©MIXI
6. 分析関数(ウィンドウ関数)
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
SELECT
num,
SUM(num) OVER(ORDER BY num ROWS BETWEEN 3 PRECEDING AND CURRENT ROW),
SUM(num) OVER(ORDER BY num ROWS BETWEEN 3 PRECEDING AND 3 FOLLOWING)
FROM
UNNEST(GENERATE_ARRAY(1,15)) num
⾃分⾃⾝や後続の⾏を含めたり
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