Deep dive into Mailchimp email data using MySQL

This post shows how I analyzed a MailChimp email list, including all the data from weekly newsletters for 2014, using MySQL. It was inspired by this excellent tutorial: Performing cohort analysis by Micheal Herman. The email list I’m working with consists of about 18,000 subscribers.

I wanted to answer questions such as:

  • How many emails do active subscribers open on average?
  • How active are the subset of users who bought a product during the digital flash sale in March of this year?
  • Who hasn’t opened an email at all in 2014?

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