SQL got really rusty. Need help

Hey DS folks, I have an upcoming interview for an Analyst position, and I could use some advice. The company's primary tech stack includes PostGreSQL, DBT, Metabase, and some Python.

From what I've gathered, proficiency in SQL, especially for PostGreSQL, BigQuery, DBT, and Metabase, is crucial for this role, which is mainly centered around data analytics to guide software product development for healthtech firm.

I did work with SQL a while back, but I'm a bit rusty. I only have …

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