Class Central is learner-supported. When you buy through links on our site, we may earn an affiliate commission.

Google

Troubleshooting and Solving Data Join Pitfalls

Google via Google Skills

Go to class Write review
Coursera Ad

AI, Data Science & Cloud Certificates from Google, IBM & Meta

Learn More → Unihackers Ad

Launch Your Cybersecurity Career in 6 Months

Learn More →

Overview

Build a Learning Habit
Download Class Central's free printable study calendar
Download for Free
This lab focuses on how to reverse-engineer the relationships between data tables and the pitfalls to avoid when joining them together.

Syllabus

  • GSP412
  • Overview
  • Setup
  • Task 1. Create a new dataset to store your tables
  • Task 2. Pin the lab project in BigQuery
  • Task 3. Examine the fields
  • Task 4. Identify a key field in your ecommerce dataset
  • Task 5. Pitfall: non-unique key
  • Task 6. Join pitfall solution: use distinct SKUs before joining
  • Congratulations!

Tags

Reviews

Start your review of Troubleshooting and Solving Data Join Pitfalls

Go to class

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Sign up for free
Someone learning on their laptop while sitting on the floor.