Interval
- Intervals provide a way of storing a specific period of time that separates two datetime value.
-There are currently two supported types interval, one specifying intervals in years and months, the other specifying intervals in days, hours, minutes and second
Example
1. + 1 year
SYSDATE + (INTERVAL '1' YEAR)
2. + 1 month
SYSDATE + (INTERVAL '1' MONTH)
3. + 1 day
SYSDATE + (INTERVAL '1' DAY)
4. + 1 hour
SYSDATE + (INTERVAL '1' HOUR)
5. + 1 minute
SYSDATE + (INTERVAL '1' MINUTE)
6. +1 second
SYSDATE + (INTERVAL '1' SECOND)
7. + 2hours and 10 min
SYSDATE + (INTERVAL '02:10' HOUR TO MINUTE)
8. + 1min and 30 sec
SYSDATE + (INTERVAL '01:30' MINUTE TO SECOND)
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