postgresql   29552

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Periscope Data | Medians in SQL
Finding the min, max, and avg price of an order in your purchases table is easy. But what about the median price?
postgresql  pg-aggregates 
12 hours ago by ehayes
Hierarchies With Postgres - Monkey and Crow
Disqus dropped CTEs and moved to materialized paths which perform better at large scales.
cte  postgres  hierarchy  architecture  postgresql 
16 hours ago by hellsten
Better Date Manipulation in PostgreSQL Queries
Use `interval` and `date_trunc` to make working with SQL dates easier.
postgresql 
yesterday by eschalon

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