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Assume that you have just built a dense B+ tree index using Alternative (2) on a heap file containing 20,000 records. The key field for this B+ tree index is a 40-byte string, and it is a candidate key. Pointers (i.e., record ids and page ids) are (at most) 10-byte values. The size of one disk page is 1000 bytes. The index was built in a bottom-up fashion using the bulk-loading algorithm, and the nodes at each level were filled up as much as possible.
1. How many levels does the resulting tree have?2. For each level of the tree, how many nodes are at that level?3. How many levels would the resulting tree have if key compression is used and it reduces the average size of each key in an entry to 10 bytes?4. How many levels would the resulting tree have without key compression but with all pages 70 percent full?
See Supreme Court Rules for more information. If Winner's three guiding maxims were utilized, how would this influence social policy and debate regarding children and technology?
Points T1, T2 ,and T3 are 25 miles apart, and points C1 , C2, and C3 also are 25 miles apart. If telephone lines cost $1 per mile, determine the line cost for three?
The SBH problem is to reconstruct a DNA sequence from its l-mer composition. Suppose that instead of a single target DNA fragment, we have two target DNA fragments
With an increasingly global economy when business is open 24 / 7, how do we test the resilience of our computer systems without disturbing normal business operations?
Write down some of the many considerations in selecting right information system to use for trading futures and stocks?
Advise whether you agree or disagree with CEO, specifically addressing ethical issues involved. Suppose you make a decision to hire a hacker, how would you protect your proprietary interests?
Determine the minimum size of the control bus?
Determine the features and capacities (RAM, disk storage, processor speed) that Amy should include in the Web server computer that she will need for her site.
What do you consider the single most important reason to pay attention to faulty terminations and excessive horizontal wiring spans?
You have been asked to present a presentation to law school class on digital crime. After presentation, a student asks why so few people are really prosecuted for computer crime.
Provide a summary of CoralCDN. Contrast its operation with that of Akamai. What the pros and cons of CoralCDN (as compared to Akamai)?
System has 4 processes and 5 allocatable resources. The current allocation and maximum needs are as follows: Determine the smallest value of x for which this safe state.
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