extract postgresql date code example

Example 1: get year from date postgres

SELECT EXTRACT(YEAR FROM column_date);

Example 2: postgresql today - 1 year

select now() - INTERVAL '1 YEAR';

Example 3: postgres extract date from timestamp

SELECT DATE(column_name) FROM table_name;

Example 4: postgres extract date from timestamp

SELECT DATE(SUBSTRING('2018-07-25 10:30:30' FROM 1 FOR 10));

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