yes, you are right. To calculate on TB data does not mean to always traverse all data.
However, here I said "process", such as ETL operation, for such scenario, we often need to traverse all the data, even more times.
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yes, you are right. To calculate on TB data does not mean to always traverse all data.
However, here I said "process", such as ETL operation, for such scenario, we often need to traverse all the data, even more times.