New posts in Aggregate Functions

PostgreSQL left join query object array aggregate

Union of arrays as aggregate function

Why are aggregate functions not allowed in where clause

Create nested json from sql query postgres 9.4

Django Aggregation - Expression contains mixed types. You must set output_field

Difference between scalar, table-valued, and aggregate functions in SQL server?

Postgres - aggregate two columns into one item

How can I use SUM for bit columns?

How to define a custom aggregation function to sum a column of Vectors?

Spark SQL: apply aggregate functions to a list of columns