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How to calculate time difference between two columns?

726965
Member Posts: 277 Blue Ribbon
Hi,
How to calculate time difference between two dates columns?
thx
Edited by: user12007410 on Dec 10, 2010 2:03 AM
How to calculate time difference between two dates columns?
thx
Edited by: user12007410 on Dec 10, 2010 2:03 AM
Answers
-
SELECT (col1 - col2) AS difference from table_name
It will give you output in Days.
Regards
Arun -
try this, u have have to modify it a little
http://nimishgarg.blogspot.com/2010/08/oracle-sql-date-difference-in-days.html
http://nimishgarg.blogspot.com/2010/02/oracle-sql-facebook-style-time-of-post.html
http://nimishgarg.blogspot.com/2010/02/oracle-sql-facebook-style-time-of-post_23.html -
Dear,
i need output in minutes -
Then use this
SELECT (col1 - col2)*24*60 AS difference_in_minutes from table_name
like thisSQL>SELECT (SYSDATE - TRUNC(SYSDATE))*24*60 difference_in_minutes 2 FROM DUAL; DIFFERENCE_IN_MINUTES --------------------- 251.533333 SQL>
Regards
Arun
Edited by: Arun Kumar Gupta on Dec 10, 2010 3:41 PM -
Hi arun,
Can you please explain query and its output for me?
thx -
What needs explaining?
You take one date away from another wich gives you the difference in number of days (including fractions). Multiply that value by the number of minutes in a day (24 hours * 60 minutes) to find out what it is in minutes.
Basic mathematics. -
Hi,
Try thisSELECT TO_TIMESTAMP(COL1) - TO_TIMESTAMP(COL2) FROM TABLE_NAME;
cheers
VT
This discussion has been closed.