Group by day week or month » History » Version 1
Viacheslav Anzhiganov, 04/05/2025 03:43 PM
| 1 | 1 | Viacheslav Anzhiganov | # Group by day week or month |
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| 2 | |||
| 3 | Sum counts of an occurrence into days, weeks, or months |
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| 4 | |||
| 5 | ## Group by day |
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| 6 | |||
| 7 | ```sql |
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| 8 | SELECT date_trunc('day', loggedin) AS "Day" , count(*) AS "No. of users" |
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| 9 | FROM logins |
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| 10 | WHERE created > now() - interval '3 months' |
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| 11 | GROUP BY 1 |
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| 12 | ORDER BY 1; |
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| 13 | ``` |
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| 14 | |||
| 15 | ## Group by week |
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| 16 | |||
| 17 | ```sql |
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| 18 | SELECT date_trunc('week', loggedin) AS "Week" , count(*) AS "No. of users" |
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| 19 | FROM logins |
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| 20 | WHERE created > now() - interval '3 months' |
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| 21 | GROUP BY 1 |
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| 22 | ORDER BY 1; |
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| 23 | ``` |
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| 24 | |||
| 25 | ## Group by month |
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| 26 | |||
| 27 | ```sql |
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| 28 | SELECT date_trunc('month', loggedin) AS "Month" , count(*) AS "No. of users" |
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| 29 | FROM logins |
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| 30 | WHERE created > now() - interval '1 year' |
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| 31 | GROUP BY 1 |
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| 32 | ORDER BY 1; |
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| 33 | ``` |