length of service for INTERVAL YEAR TO MONTH : INTERVAL « PL SQL Data Types « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » PL SQL Data Types » INTERVAL   21. 8. 10. length of service for INTERVAL YEAR TO MONTH SQL> SQL> DECLARE   2     start_date DATE;   3     end_date DATE;   4     service_interval INTERVAL YEAR TO MONTH;   5     years_of_service NUMBER;   6     months_of_service NUMBER;   7  BEGIN   8     start_date := TO_DATE('29-DEC-1988','dd-mon-yyyy');   9     end_date := TO_DATE ('26-DEC-1995','dd-mon-yyyy');  10  11  END;  12  / PL/SQL procedure successfully completed. SQL> 21. 8. INTERVAL 21. 8. 1.  INTERVAL includes two datatypes that allow you to set appropriate durations more precisely 21. 8. 2.  Interval value expressions 21. 8. 3.  DAY TO SECOND examples 21. 8. 4.  workarounds for defining intervals 21. 8. 5.  Add some years and months 21. 8. 6.  Add some days, hours, minutes, and seconds 21. 8. 7.  Add 1 year, 2 months, 3 days, 4 hours, 5 minutes, 6.7 seconds 21. 8. 8.  Adding and subtracting intervals 21. 8. 9.  Interval multiplication 21. 8. 10.  length of service for INTERVAL YEAR TO MONTH 21. 8. 11.  Show some interval division 21. 8. 12.  Storing elapsed time with INTERVAL DAY TO SECOND 21. 8. 13.  Use INTERVAL types 21. 8. 14.  Add date interval to timestamp 21. 8. 15.  Double the interval

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