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Suppose you have two tables, "orders" and "customers", where "orders" contains information about orders and "customers" contains information about customers. Write an SQL query that calculates the average order value for each customer who has made at least 3 orders in the last month, and only includes customers who are located in the United States. The query should require a join between the two tables.

How does PCA assist in uncovering patterns in data?

What do you see yourself doing in the next five years?

How do you earn trust from your team?

What would you consider your biggest accomplishments in your current role?

What methods do Machine Learning practitioners use to reduce dimensionality? Could you provide specific examples of these techniques in practice?

What is your explanation of regularization and how does it contribute to machine learning?

In what ways are your experiences aligned with Databricks's values.

Considering your experience with data analysis and client buying behaviors, can you walk me through how you would make predictions around whether future clients would purchase a certain software? What pieces of information would be important to include in your dataset?

What does bootstrapping entail, and is it an effective strategy for increasing sample size?