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I'm a tech interested guy. I've touched SQL once or twice, but wasn't able to really make sense of it. That combined with not having a practical use leaves SQL as largely a black box in my mind (though I am somewhat familiar with technical concepts in databasing).
With that, I keep seeing [pic related] as proof that Elon Musk doesn't understand SQL.
Can someone give me a technical explanation for how one would come to that conclusion? I'd love if you could pass technical documentation for that.
It's an insanely idiotic thing to say. Federal government IT is myriad, and done at a per agency level. Any relational database system, which the federal government uses plenty of, uses SQL in one way or another. Elon doesn't know what he is talking about at all, and is being an ultimate idiot about this. Even in the context of mainframe projects thatif we are giving elong the benefit of doubt about referring to, most COBOL shoprbibknow have adapted to addressing internal data records using an SQL interface, although obviously in that legacy world it is insanely fractured and arcane.
Yeah, obviously ol' boy is tripping if he thinks SQL isn't used in the government.
Big thing I'm prying at is whether there would be a legitimate purpose to have duplicated SSNs in the database (thus showing the First Bro doesn't understand how SQL works).
Well, if someone changes their name you'd add a new record with the same SSN to hold their new name, that way it keeps the records consistent with the paperwork; old papers say their old name and reference the retired record, new papers use their new name and reference the new record.
You can use the SSN as the key to find all records associated with a person, it doesn't have to be a single row per SSN, in fact that would make the data harder to manage and less accurate.
E.g. if someone changes their last name after getting married, it could be useful to be able to have their current and former name in the database for reference.