'General external merge sort' diaporamas de présentation

External Sorting

External Sorting. Chapter 13. Why Sort?. A classic problem in computer science! Data requested in sorted order e.g., find students in increasing gpa order Sorting is first step in bulk loading B+ tree index.

529 views • 31 slides

External Sorting

External Sorting. Chapter 13. Why Sort?. A classic problem in computer science! Data requested in sorted order e.g., find students in increasing gpa order Nearest neighbor search also needs sorting! Sorting is the first step in bulk loading B+ tree index.

436 views • 29 slides

Advanced Topics in Data Management

Advanced Topics in Data Management. Bin Yao Spring 2014 (Slides were made available by Feifei Li). Massive Data. Massive datasets are being collected everywhere Storage management software is billion-$ industry. Examples (2002) : Phone : AT&T 20TB phone call database, wireless tracking

362 views • 27 slides

Advanced Topics in Data Management

Advanced Topics in Data Management. Bin Yao Spring 2014 (Slides were made available by Feifei Li). Massive Data. Massive datasets are being collected everywhere Storage management software is billion-$ industry. Examples (2002) : Phone : AT&T 20TB phone call database, wireless tracking

295 views • 27 slides

External Sorting

External Sorting. CPSC 461. Outline of Presentation. Why do we need Sorting? Complexities of few sorting algorithms ? 2-Way Sort 2-way external merge sort Cost associated with external merge sort Number of passes in external sort Internal Sort Algorithm Heap Sort explained

453 views • 26 slides

External Sorting

External Sorting. Why Sort?. A classic problem in computer science! Data requested in sorted order e.g., find students in increasing gpa order Sorting is first step in bulk loading B+ tree index. Sorting useful for eliminating duplicate copies in a collection of records (Why?)

677 views • 21 slides

External Sorting

External Sorting. Why Sort?. A classic problem in computer science! Data requested in sorted order e.g., find students in increasing gpa order Sorting is first step in bulk loading B+ tree index. Sorting useful for eliminating duplicate copies in a collection of records (Why?)

367 views • 21 slides

External Sorting

External Sorting. Why Sort?. A classic problem in computer science! Data requested in sorted order e.g., find students in increasing gpa order Sorting is first step in bulk loading B+ tree index. Sorting useful for eliminating duplicate copies in a collection of records (Why?)

228 views • 21 slides

External Sorting

External Sorting. R & G Chapter 13. One of the advantages of being disorderly is that one is constantly making exciting discoveries. A. A. Milne . Why Sort?. A classic problem in computer science! Data requested in sorted order e.g., find students in increasing gpa order

511 views • 19 slides

External Sorting

External Sorting. Chapter 11. Why Sort?. A classic problem in computer science! Data requested in sorted order e.g., find students in increasing gpa order Sorting is first step in bulk loading B+ tree index.

351 views • 19 slides

External Sorting

External Sorting. Chapter 13. Why Sort?. A classic problem in computer science! Data requested in sorted order e.g., find students in increasing gpa order Sorting is first step in bulk loading B+ tree index.

323 views • 19 slides

External Sorting

438 views • 18 slides

External Sorting

External Sorting. Chapter 13 (3 rd Edition). Why Sort?. A classic problem in computer science! Data requested in sorted order e.g., find students in increasing gpa order Sorting is first step in bulk loading B+ tree index.

349 views • 18 slides

CS4432: Database Systems II

CS4432: Database Systems II. Revision. Question 1.

232 views • 17 slides

External Sorting

307 views • 16 slides

External Sorting

External Sorting. Why Sort?. A classic problem in computer science! Data requested in sorted order e.g., find students in increasing gpa order Sorting is first step in bulk loading B+ tree index. Sorting useful for eliminating duplicate copies in a collection of records (Why?)

328 views • 12 slides

External Sorting

External Sorting. Why Sort?. A classic problem in computer science! Data requested in sorted order e.g., find students in increasing gpa order Sorting is first step in bulk loading B+ tree index. Sorting useful for eliminating duplicate copies in a collection of records (Why?)

372 views • 12 slides

Query Evaluation

Query Evaluation . Chapter 11 External Sorting. Why Sort?. A classic problem in computer science! Data requested in sorted order e.g., find students in increasing gpa order Sorting is first step in bulk loading B+ tree index.

227 views • 9 slides