postgresql group by month and year
date_trunc('month', col_date)
postgresql group by month and year
date_trunc('month', col_date)
GROUP BY postgres
SELECT
column_1,
column_2,
...,
aggregate_function(column_3)
FROM
table_name
GROUP BY
column_1,
column_2,
...;
Code language: SQL (Structured Query Language) (sql)
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