gonsuke777 https://blog.hatena.ne.jp/gonsuke777/ ねら～ITエンジニア雑記 https://gonsuke777.hatenablog.com/ Oracle Database これでワイもプレミアムや！彡(ﾟ)(ﾟ) ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY/MM/DD'; SELECT TRUNC(NEXT_DAY(SYSDATE+LEVEL, 'friday'), 'MM') AS TUKI , MAX(TRUNC(NEXT_DAY(SYSDATE+LEVEL, 'friday'), 'DD')) AS PREMIUM FROM DUAL CONNECT BY LEVEL <= 1000 GROUP BY TRUNC(NEXT_DAY(SYSDATE+LEVEL, 'friday'), 'MM') ORDER BY TU… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgonsuke777.hatenablog.com%2Fentry%2F20170301%2F1488330224" title="NEXT_DAY関数、TRUNC関数を使って、向こう1000日分のプレミアムフライデーを求めてみる。(Oracle Database) - ねら～ITエンジニア雑記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2017-03-01 10:03:44 rich https://gonsuke777.hatenablog.com/entry/20170301/1488330224 1.0 100%