Very Tough do not try, it will kill your morale. There will be initial screening and then HR and 6hr technical and the with 4hr with teammates. After that, you will get a cultural interview. Also, there was a take home which I skipped because of my experience

The Walgreens data engineering interview process involves technical assessments on programming, data pipelines, SQL, cloud platforms, and big data tools, along with behavioral questions focused on teamwork, problem-solving, and communication skills.