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Aggregate columns with additional (distinct) filters

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#sql #postgresql #aggregate-functions #aggregate-filter
284
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Published on
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560
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96
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Published on
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1.2k
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668
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Get total count and filtered count from single subquery

Published on
#sql #postgresql #aggregate-filter
631
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Published on
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622
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Sum of alias columns in PostgreSQL

Published on
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326
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Combine two queries to count distinct strings with different filters

Published on
#sql #postgresql #select #group-by #aggregate-filter
401
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Get conditional count and conditional DISTINCT count in a single SELECT

Published on
#sql #postgresql #count #postgresql-9.6 #aggregate-filter
478
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Count devices per day in a given date range

Published on
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1.2k
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Aggregate the same column in multiple different ways

Published on
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97
Views

Conditional count of rows where at least one peer qualifies

Published on
#sql #postgresql #aggregate-filter
115
Views

Conditional aggregate queries

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#sql #postgresql #join #aggregate-filter
543
Views

How to find the average of a subset of values from a table in PostgreSQL?

Published on
#sql #postgresql #average #aggregate-filter
54
Views

Create a report with 2 rows of values, each of which is from a separate SELECT statement

Published on
#sql #postgresql #union-all #aggregate-filter
148
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Mapping array to composite type to a different row type

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#sql #postgresql #casting #composite-types #aggregate-filter

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