Tipe dan format tanggal/waktu

Analisis Data Eksploratif di SQL

Christina Maimone

Data Scientist

Tipe utama

date

timestamp

Contoh interval:

 6 days 01:48:08

 00:51:03

 1 day 21:57:47

 07:48:46

 406 days 00:31:56

Pukul 1 siang, 10 Januari 2018

01/10/18 1:00

10/01/18 01:00:00

01/10/2018 1pm

January 10th, 2018 1pm

10 Jan 2018 1:00

01/10/18 01:00:00

01/10/18 13:00:00

ISO = International Organization for Standards

YYYY-MM-DD HH:MM:SS

Contoh: 2018-01-05 09:35:15

UTC = Coordinated Universal Time

Timestamp dengan zona waktu:

YYYY-MM-DD HH:MM:SS+HH

Contoh: 2004-10-19 10:23:54+02

Bandingkan dengan >, <, =

SELECT '2018-01-01' > '2017-12-31';

now(): stempel waktu saat ini

SELECT now() > '2017-12-31';

SELECT now() - '2018-01-01';

 343 days 21:26:32.710898

SELECT now() - '2015-01-01';

 1439 days 21:32:22.616076

SELECT '2010-01-01'::date + 1;

 2010-01-02

SELECT '2018-12-10'::date + '1 year'::interval;

 2019-12-10 00:00:00

SELECT '2018-12-10'::date + '1 year 2 days 3 minutes'::interval ;

 2019-12-12 00:03:00

Analisis Data Eksploratif di SQL