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  • Oracle PL SQL 日期日间操作备忘

    select updatedate from trans_studycard t
    where
    to_date('2010-12-17 23:59:59','yyyy-mm-dd hh24:mi:ss') - updatedate >0
    and to_date('2010-12-17 23:59:59','yyyy-mm-dd hh24:mi:ss') - updatedate < 3
    order by updatedate


    六种日期函数:
    1.       add_months(日期,number)    指定日期推迟number个月
    2.       last_day(日期)   指定日期当月的最后一天
    3.       new_time(日期,时区简写)   调整时区
    4.       next_day(日期,number)   number表示周几,星期日是1,指定number的日期(一周内或一周后)
    5.       months_between(日期1,日期2)   日期1和日期2之间有几个月
    6.       sysdate   系统当期那日期和时间

    update trans_exchangeapplication set applicationformdata = replace(applicationformdata,',','#')
    where id='1ca156d9-e931-4d70-91a5-c32c1ea724ee'

    /*
    sselect to_char(TRANSACTIONTIME,'yyyy-MM-dd') as StatisticDataTime,
    sum(decode(TRANSACTIONTYPE,'1',TRANSACTIONMONYAMOUNT,0)) as DepositCount,
    sum(decode(TRANSACTIONTYPE,'3',TRANSACTIONMONYAMOUNT,0)) as ConsumCount
    from trans_transactionhistory t
    where months_between(TRANSACTIONTIME,to_date('2010-12-1','yyyy-MM-dd'))<1
    group by to_char(TRANSACTIONTIME,'yyyy-MM-dd')
    order by StatisticDataTime desc
    */

    /*按月,2010年的,按月
    select to_char(TRANSACTIONTIME,'yyyy-MM') as StatisticDataTime,
    sum(decode(TRANSACTIONTYPE,'1',TRANSACTIONMONYAMOUNT,0)) as DepositCount,
    sum(decode(TRANSACTIONTYPE,'3',TRANSACTIONMONYAMOUNT,0)) as ConsumCount
    from trans_transactionhistory t
    where to_char(TRANSACTIONTIME,'yyyy')='2010'
    group by to_char(TRANSACTIONTIME,'yyyy-MM')
    order by StatisticDataTime desc
     * */

    /*季报
    select case when to_char(TRANSACTIONTIME,'q')=1 then '第一季度'
    when to_char(TRANSACTIONTIME,'q')=2 then '第二季度'
    when to_char(TRANSACTIONTIME,'q')=3 then '第三季度'
    when to_char(TRANSACTIONTIME,'q')=4 then '第四季度' end as StatisticDataTime,
    sum(decode(TRANSACTIONTYPE,'1',TRANSACTIONMONYAMOUNT,0)) as DepositCount,
    sum(decode(TRANSACTIONTYPE,'3',TRANSACTIONMONYAMOUNT,0)) as ConsumCount
    from trans_transactionhistory t
    where to_char(TRANSACTIONTIME,'yyyy')='2010'
    group by to_char(TRANSACTIONTIME,'q')
    order by StatisticDataTime
     */


    /*年报
    select to_char(TRANSACTIONTIME,'yyyy') as StatisticDataTime,
    sum(decode(TRANSACTIONTYPE,'1',TRANSACTIONMONYAMOUNT,0)) as DepositCount,
    sum(decode(TRANSACTIONTYPE,'3',TRANSACTIONMONYAMOUNT,0)) as ConsumCount
    from trans_transactionhistory t
    where to_number(to_char(TRANSACTIONTIME,'yyyy'))>= 2010 and to_number(to_char(TRANSACTIONTIME,'yyyy'))<=2011
    group by to_char(TRANSACTIONTIME,'yyyy')
    order by StatisticDataTime desc
     */

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  • 原文地址:https://www.cnblogs.com/yansc/p/1912835.html
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