sql每周汇总

上一篇 / 下一篇  2012-01-11 11:48:59 / 个人分类:oracle pl/sql

SELECT
      CASE
      WHEN ATTIME>=TO_DATE('20111201','YYYYMMDD') AND ATTIME<TO_DATE('20111208','YYYYMMDD') THEN 1
      WHEN ATTIME>=TO_DATE('20111208','YYYYMMDD') AND ATTIME<TO_DATE('20111215','YYYYMMDD') THEN 2
      WHEN ATTIME>=TO_DATE('20111215','YYYYMMDD') AND ATTIME<TO_DATE('20111222','YYYYMMDD') THEN 3
      WHEN ATTIME>=TO_DATE('20111222','YYYYMMDD') AND ATTIME<TO_DATE('20111229','YYYYMMDD') THEN 4
      END N,

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