摘要:
天:ROUND(TO_NUMBER(END_DATE - START_DATE))小时:ROUND(TO_NUMBER(END_DATE - START_DATE) * 24)分钟:ROUND(TO_NUMBER(END_DATE - START_DATE) * 24 * 60)秒:ROUND(TO... 阅读全文
posted @ 2014-06-23 15:12
水月无痕
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