get distinct elements in table psql

Lively Locust answered on January 27, 2021 Popularity 10/10 Helpfulness 2/10

answer get distinct elements in table psql

get distinct elements in table psql

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postgres=#  select distinct on (col1) col1,col2,col3 from test order by col1;

 col1 | col2 |    col3    

------+------+------------

    1 | abc  | 2015-09-10

    2 | xyz  | 2015-09-13

    3 | tcs   | 2015-01-15

(3 rows)

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Contributed on Jan 03 2022

Lively Locust

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Closely Related Answers

postgresql distinct

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SELECT
	DISTINCT bcolor
FROM
	distinct_demo
ORDER BY
	bcolor;

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Source: www.postgresqltutorial.com

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Contributed on Jan 27 2021

GutoTrosla

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select distinct postgres

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-- NOTE: SELECT DISTINCT ON expressions must match initial ORDER BY expressions


SELECT
   DISTINCT ON (column1) column_alias,
   column2
FROM
   table_name
ORDER BY
   column1,
   column2;
Code language: SQL (Structured Query Language) (sql)

-- EXAMPLE
SELECT
   DISTINCT on (client_id) client_id, id
FROM
   public.dw_client_plan_histories
   where operation = 4
        and original_created_at >= '2022-06-17';

Popularity 10/10 Helpfulness 4/10 Language sql

Source: www.postgresqltutorial.com

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Contributed on Jun 17 2022

Tiago F2

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get distinct elements in table psql

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