Explain the meaning of upperbound and lowerbound in disk-oriented DBMS
Children in each B+ Tree's node has upperbound and lowerbound.node Explain the meaning of upperbound and lowerbound in disk-oriented DBMS.ide upper_bound（i） 返回的是鍵值爲i的元素能夠插入的最後一個位置（上界）get lowe_bound（
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相關文章
- 1. 【SparkSQL】partitionColumn, lowerBound, upperBound, numPartitions的理解
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