[英]Case sql using dates DB2
I want to get the month and year of the current date/last month depending on the day.我想根据日期获取当前日期/上个月的月份和年份。
If were on 8th of the month or before, i want to get the last month and year Otherwise ,I want to get the current month and year.如果是在本月的 8 号或之前,我想获得上个月和去年,否则,我想获得当前月份和年份。
How do i do that using sql on DB2?我如何在 DB2 上使用 sql 做到这一点?
Subtract 8 days and use the year()
and month()
functions:减去 8 天并使用
year()
和month()
函数:
select year(current_timestamp - 8 day),
month(current_timestamp - 8 day)
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