Will a CTE be materialized if it is used only once for a JOIN with the final result?
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Will a CTE be materialized if it is used only once for a JOIN with the final result?
What will happen to the final storefront built from a materialized view of the RAW layer if an existing row in the RAW table changes after the spill?
How would you handle high-load data transformations?
Data has been loaded into a ReplacingMergeTree table; what will happen during reading if the merge has not yet occurred, and how to get the latest version of the records?
Is it possible to combine deduplication and subsequent data spill without using separate tables; and if so, how?