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A comment on Databases always have a schema (2018). Parent comment

Re:Databases always have a schema (2018) by threeseed on Monday February 25, 2019 @05:30PM (#19250101)
For many use cases we don't know the schema up front.

So it's irrelevant whether it exists or not because we don't know it.

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Re:Databases always have a schema (2018) by ben509 on Wednesday February 27, 2019 @07:07PM (#19268025)
That's a great point, but I think the real issue there is that typical SQL DBMS's make it very hard to adjust the schema iteratively as you code. After all, if you're writing in a language like Java, you don't know what your classes look like to start with, but coders manage that by adjusting and refactoring them as they work.
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