CST 363 - Week 3 - SEE-QWILL or ES-SKEW-EL



Should it be pronounced SEE-QWILL or ES-SKEW-EL ... who knows? Maybe it's like GIF. Potato Tomato.

1. An SQL view is a virtual table whose contents are defined by a stored query. I think of it as a saved SELECT statement that I can interact with as if it were a real table. It's similar to a table because it has rows and columns, and can be queried SELECT to simplify retrieving complex data. However, it's different because a view doesn't store its own data—it just displaying data from the underlying tables. Which sort of makes sense since views don't have their own primary keys.


2. It's hard to compare SQL to a language like Java. Java has a lot more flexibility in data structures. Also Java works synchronously (well unless you count multi-threading) so it's processing data one at a time versus SQL which is fundamentally different under the hood. That said SQL is a lot more "clear" and I think the nature of queries is a lot more determinant than something like Java which gives you a ton of flexibility.

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