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Union, intersection, difference, and more are coming to JavaScript Sets
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this post was submitted on 20 Feb 2024
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Programming
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Why would you need to set up a postgres db...? Unions are a fundamental set theoretic operation that are applicable to all set-like collections. You may as well say "an in memory hash map / list is absurdly inefficient compared to a relational db." Is it efficient, to you, to spin up a postgres instance to hold a dozen key value pairs?