Consider the snapshot of the Linear Hashing index shown in Figure 11.7. Assume that a bucket split
Question:
In figure 11.7
1. What is the maximum number of data entries that can be inserted (given the best possible distribution of keys) before you have to split a bucket? Explain very briefly.
2. Show the file after inserting a single record whose insertion causes a bucket split.
3. (a) What is the minimum number of record insertions that will cause a split of all four buckets? Explain very briefly.
(b) What is the value of Next after making these insertions?
(c) What can you say about the number of pages in the fourth bucket shown after this series of record insertions?
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Related Book For
Database management systems
ISBN: 978-0072465631
3rd edition
Authors: Raghu Ramakrishan, Johannes Gehrke, Scott Selikoff
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