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    I wonder if Oracle’s secret to performance is just that they redefined what “safe” means to be less so.

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      Maybe, but that’s basically the definition of FUD.

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        I don’t think it’s FUD. It’s pretty uncontested that they what they call Serialisable isn’t. Whether that contributes significantly to their performance is uncertain but not in a way that engenders fear.

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          I may have missed something but I didn’t see anything in the article about that.

          You’re probably speaking from a position of knowledge (certainly relative to me); a link to something explaining when/how oracle is unsafe would be enough to make it not-fud.

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            Read the first paragraph under the heading “Isolation in Real Databases” carefully.

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              Ahh - the mention of four different systems there got me thinking it was a widespread thing, but on closer inspection I see that the other three have all avoided or moved away from the misleading name. Thanks for pointing that out.