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New posts in aggregate-functions

Initial array in function to aggregate multi-dimensional array

Inner join with count and group by

Percentile calculation with a window function

mysql where count(column_name) = 1?

Distinct, count and sort in one sql query

How to convert two rows into key-value json object in postgresql?

How to find mean of grouped Vector columns in Spark SQL?

Using count distinct to find records with 2 or more different values in a field

Count distinct values in MySQL without folding NULL values

Find row with maximum value of id in MySQL

Postgresql create view

ORA-24347: Warning of a NULL column in an aggregate function

How do I efficiently create logical subsets of data in a many-to-many mapping table?

Dynamic fieldnames in subquery?

Postgresql 9.3 - array_agg challenge

Minimum and maximum of a field in cakephp and mysql

Get max average for each distinct record in a SQL Query

Using aggregation functions in Elasticsearch queries

Distinct LISTAGG that is inside a subquery in the SELECT list

pandas aggregate function with multiple output columns