Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
When answering this question, I wrote up this SQL answer, which works fine from my machine.
However, on SE data, it always picks the same winner. Is it possible that SE Data fixes rand() to a specific number? If so, why is that?
The data explorer caches results; if you run identical queries, it will only call the database once, and deliver the cached result on subsequent queries.