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Advent of Code 2020, Day 9, Part One - Solved with SQL
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I code up and walkthrough a solution to Part One of Day 9 of Advent of Code 2020 using SQL in PostgreSQL. It was fun to think about this problem in terms of slices of data that need to be joined and filtered. The solution involves some more intermediate PostgreSQL features like a HAVING clause, array_agg, and array comparison.
#PostgreSQL #SQL #AdventOfCode
#PostgreSQL #SQL #AdventOfCode
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