Video yükleniyor...

Video Yüklenemedi

Ana Sayfaya Dön

Your user global app’s metrics might be muddled by a gotcha! Check out this SQL dev challenge about a common tracking issue that affects users worldwide. Tell us where we went wrong and how to fix it in the comments below.

23,832 görüntüleme • 1 yıl önce •via X (Twitter)

2 Yorum

Google for Developers profil fotoğrafı
Google for Developers1 yıl önce

Hint: Think about what happens when a user logs in at 11:59 PM in California while your server is in New York. Which day should that login count towards?

Ondřej Pařízek profil fotoğrafı
Ondřej Pařízek1 yıl önce

Hi, I think there's a timezone issue here. The query doesn't reflect each user's local time, which can lead to incorrect daily counts. Ideally, we should store the user's timezone and convert both login_time and CURRENT_DATE to that timezone when aggregating login data.

Benzer Videolar