# Count ad impressions per day, with dates formatted as compact YYYYMMDD strings

Canonical URL: <https://datadriven.io/problems/count-ad-impressions-per-day-with-dates-formatted-as-compac-98c33fdf>

Domain: SQL · Difficulty: medium

## Problem

Count ad impressions per day, with dates formatted as compact YYYYMMDD strings. Return the compact date and impression count, ordered by date.

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