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I'm 20 years I have never seen anyone use relational algebra. schemas have to be self documenting albeit only in the real world.
by cpill 5y ago
I'm 20 years I have never seen anyone use relational algebra. schemas have to be self documenting albeit only in the real world.
- salawat 5y ago...I do... All the time. I'm cleaning up a mess of a namespace collision as we speak. I was the only one who saw it coming. I've spent the better part of a month getting people to believe it's an issue.
- gavinray 5y agoSQL is relational algebra, the core of relational algebra is Selection, Projection, Cross-products, Unions, and Set Differences. SQL is a language that implements Relational Algebra/Relational Calculus