Email addresses are very prevalent in IT systems and often used as a natural primary key. The repetitive storage of email addresses in multiple tables is a bad design choice. Following is a design pattern to store email addresses in a single table and to retrieve them efficiently.
2017-09-15 (first published: 2015-09-24)
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In the original Independence Day movie (1996), what type of computer did Jeff Goldblum use to connect to the alien mainframe? Take a guess, don't look it up or ask AI.
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