To find the number of years an employee working in an organization

Question

hi,
we need to find how many years an employee working in a particular organization. i.e using the hire date and sysdate we need to find how many years an employee works there. how to execute this.

Answer 1

Hi,
The MONTHS_BETWEEN function returns the number of months between two dates. There's no YEARS_BETWEEN function, but it's very easy to take the value returned by MONTHS_BETWEEN and divide it by the number of months in a year, like this:
SELECT     ename
,     hiredate
,     MONTHS_BETWEEN ( SYSDATE
                 , hiredate
                 ) / 12     AS years_worked
FROM    scott.emp
;Output (when I ran it on June 2, 2013):
ENAME      HIREDATE    YEARS_WORKED
SMITH      17-12-1980         32.46
ALLEN      20-02-1981         32.29
WARD       22-02-1981         32.28
JONES      02-04-1981         32.17
MARTIN     28-09-1981         31.68
BLAKE      01-05-1981         32.09
CLARK      09-06-1981         31.98
SCOTT      19-04-1987         26.12
KING       17-11-1981         31.54
TURNER     08-09-1981         31.74
ADAMS      23-05-1987         26.03
JAMES      03-12-1981         31.50
FORD       03-12-1981         31.50
MILLER     23-01-1982         31.36 
I hope this answers your question.
If not, post a little sample data (CREATE TABLE and INSERT statements, relevant columns only) for all the tables involved, and the results you want from that data.
Explain, using specific examples, how you get those results from that data.
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