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6 of 6 people found the following review helpful:
3.0 out of 5 stars
Review in progress,
By Alonzo Hosford "Lon" (Clinton, New Jersey United States) - See all my reviews
This review is from: B-Trees for BASIC (Paperback)
I bought this book to learn B-Trees on my own and to apply the data examples (not program examples) and flow charts using Perl. The author has simplified the concept of B-trees very well. The material however is burdened by data examples filled with too many numbers that the author too has had a problem keeping track of. Page 38 figure 5.7 Step 7 and page 39 Figure 5.9 Step 8(b) both have errors in the data. Respectively key value 20 appears from nowhere and the key value 48 is duplicated losing value 47. The important definition of leaf page is not in index. I succeeded to create a Perl search tree equivalent to chapter 3 and am thankful. I am struggling to complete the add program. But I can tell you that the author and publisher have committed the error of arrogance of documenting programs without verifying by running the code.
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B-Trees for BASIC by Ray Robertson (Paperback - April 2, 1992)
$14.95
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