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SELECT TO_CHAR(TO_DATE(ACCEPT_TIME, 'yyyy-mm-dd hh24:mi:ss'), 'yyyy-mm-dd') dt,
type,
COUNT(*)
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WHERE to_char(to_date(ACCEPT_TIME,'yyyy-mm-dd hh24:mi:ss'),'MM')=to_char(SYSDATE-1,'MM')
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oracle ´æ´¢¹ý³Ì - Oracle / »ù´¡ºÍ¹ÜÀí

pCmd->Parameters->Item[_variant_t(_bstr_t("OrderDatetime") )]->Value=_variant_t("to_char(sysdate,'yyyy-mm-dd hh24:mi:ss')");
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  private void button1_Click(object sender, EventArgs e)
  {
  DateTime GivenDay = DateTime.Parse(SelectDay.Text.Trim());
  Fill_dayview(GivenDay);
  }
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