GROUP BY
SELECT
column_1,
column_2,
...,
aggregate_function(column_3)
FROM
table_name
GROUP BY
column_1,
column_2,
...;
PostgreSQL GROUP BY bandiga misollar
GROUP BY bandiga misollar
1. PostgreSQL GROUP BY dan umumiy funksiya misolisiz foydalanish
GROUP BY dan umumiy funksiya misolisiz foydalanish
2. SUM() funktsiyasi misolida PostgreSQL GROUP BY dan foydalanish
SUM() funktsiyasi misolida PostgreSQL GROUP BY dan foydalanish

3. JOIN bandi bilan PostgreSQL GROUP BY bandidan foydalanish
JOIN bandi bilan PostgreSQL GROUP BY bandidan foydalanish
4. COUNT() funktsiyasi misolida PostgreSQL GROUP BY dan foydalanish
COUNT() funktsiyasi misolida PostgreSQL GROUP BY dan foydalanish
5. PostgreSQL GROUP BY-dan bir nechta ustunlar bilan foydalanish
GROUP BY-dan bir nechta ustunlar bilan foydalanish
6. Sana ustuni bilan PostgreSQL GROUP BY bandidan foydalanish
GROUP BY bandidan foydalanish
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