Haha, guys, you're overthinking this. In a fully denormalized database, there's only one table, so how else would you read and write the data? A has got to be the answer. Let's not make this harder than it needs to be.
Yeah, I'm with Vonda on this one. Denormalization is the opposite of normalization, so you're intentionally introducing redundancy in the data. A single table just doesn't seem like the right approach.
I'm not so sure about that. Denormalization is all about duplicating data across multiple tables to improve performance, right? So I think the answer might be D - data is read from and written to multiple tables.
Hmm, this question seems straightforward enough. In a fully denormalized database, all the data for a single entity should be stored in a single table, so I'd say the answer is A - data is read from and written to a single table.
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