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  • Morgan Helms thinks this is interesting:

Let’s start with the word whole in Cantor’s definition. A set should be considered a single entity. Your focus should be on the collection of objects as opposed to the individual objects that make up the collection. Later on, when you write T-SQL queries against tables in a database (such as a table of employees), you should think of the set of employees as a whole rather than the individual employees. This might sound trivial and simple enough, but apparently many programmers have difficulty adopting this way of thinking