Oracle9i SQL Reference Release 1 (9.0.1) Part Number A90125-01 |
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Functions, 71 of 166
months_between::=
months_between
MONTHS_BETWEEN
returns number of months between dates date1 and date2. If date1 is later than date2, result is positive; if earlier, negative. If date1 and date2 are either the same days of the month or both last days of months, the result is always an integer. Otherwise Oracle calculates the fractional portion of the result based on a 31-day month and considers the difference in time components date1 and date2.
The following example calculates the months between two dates:
SELECT MONTHS_BETWEEN (TO_DATE('02-02-1995','MM-DD-YYYY'), TO_DATE('01-01-1995','MM-DD-YYYY') ) "Months" FROM DUAL; Months ---------- 1.03225806
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