Postgres date difference seconds

-- difference in seconds between two dates

select extract(epoch from ('2020-03-30 09:55:56'::timestamp - '2020-03-30 08:54:55'::timestamp));
-- result : 3661

DATEDIFF minute postgres

  -- Difference between Dec 30, 2011 08:54:55 and  Dec 30, 2011 08:56:10 in minutes
  SELECT (DATE_PART('day', '2011-12-30 08:56:10'::timestamp - '2011-12-30 08:54:55'::timestamp) * 24 * 60 + 
               DATE_PART('hour', '2011-12-30 08:56:10'::timestamp - '2011-12-30 08:54:55'::timestamp)) * 60 +
               DATE_PART('minute', '2011-12-30 08:56:10'::timestamp - '2011-12-30 08:54:55'::timestamp);
  -- Result: 1
 
  -- Time only
  SELECT DATE_PART('hour', '08:56:10'::time - '08:54:55'::time) * 60 +
              DATE_PART('minute', '08:56:10'::time - '08:54:55'::time);
  -- Result: 1

Source: sqlines.com

Postgresql get difference between two dates

select age('2010-04-01', '2012-03-05'),
       date_part('year',age('2010-04-01', '2012-03-05')),
       date_part('month',age('2010-04-01', '2012-03-05')),
       date_part('day',age('2010-04-01', '2012-03-05'));

-1

Source: stackoverflow.com

Similar codes

0 vote184 views3 answers
Sql count condition
SQL
5 votes206 views1 answer
Sql integer to serial
SQL
1 vote212 views1 answer
Add multiple row table pl sql
SQL
1 vote211 views2 answers
Datetrunc hour snowflake
SQL
4 votes201 views1 answer
Oracle error line
SQL
0 vote211 views1 answer
Change filed order in mysql
SQL
0 vote193 views1 answer
SQL Server rename foreign key constraint
SQL
0 vote221 views2 answers
MySQL PARTITION BY month automatically
SQL
2 votes192 views2 answers
Created at and updated at in mysql
SQL
0 vote208 views2 answers
Which MySQL statement is used to delete data from a database
SQL