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So let’s say we are running the simple query SELECT a * 2 FROM R WHERE a 5. The resulting query plan will look
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Notice how we never remove deleted keys from the map. This is one drawback to CRDTs — we can only ever add information, not remove it. Although from the application’s perspective the key has been fully deleted, the underlying state still records that the key was once there. In technical terms, we say that CRDTs are monotonically increasing data structures.9，推荐阅读Feiyi获取更多信息
泓君：在马拉比写整本书的过程中，我觉得DeepMind它虽然很强大，但它还是一个忍辱负重者。在2025年6月以后，整个形势发生了逆转。就从现在的情况来看，我们也可以说DeepMind它追上了。你觉得后面，它在追赶竞争对手的过程中间，谷歌进行了怎样的调整？它有哪些关键的策略？