PPT-Topic 5: Query Optimization

Chapters 124126 and 152153 of Cow Book Arun Kumar CSE 132C Database System Implementation Slide ACKs Jignesh Patel Query Query Result Database Server Select Rtext from Report R Weather W. In addition to extensibility dynamic pro gramming and memorization based on and extended from the EXODUS and Volcano prototypes this new optimizer provides i manipulation of operator arguments using rules or functions ii operators that are both logi Group 4: . Nipun . Garg, Surabhi . Mithal. http://www-users.cs.umn.edu/~smithal/. Chapter Organization. 2. OLD Organization. 5.1 . Evaluation of Spatial Operations . 5.2 . Query Optimization . 5.3 . Gu Xu. Microsoft Research Asia. Mismatching Problem. Mismatching is Fundamental Problem in Search. Examples:. NY ↔ New York, game cheats ↔ game . cheatcodes. Search Engine Challenges. Head or frequent queries. AnswerinG. Deliverable 3 – Question Processing. John Gilmer. Michael Foster. Adam Ledyard. Overview. Question Classification. Question Reformulation. Query Expansion. Results. Related Reading. Question Classification. CSE 8330. Instructor: . Dr.Margaret. H. Dunham. Presenter: . Akshaya. . Aradhya. Introduction. Query optimization in XML databases. Query optimization in Parallel databases. Comparison. Conclusion and Future work. Query Optimization Process. (simplified a bit). Parse the SQL query into a logical tree:. identify distinct blocks (corresponding to nested sub-queries or views). . Query rewrite phase:. apply . algebraic transformations. Jie Tang. *. , Limin Yao. #. , and Dewei Chen. *. *. Dept. of Computer Science and Technology. Tsinghua University. #. Dept. of Computer Science, University of Massachusetts Amherst. April, 2009. ?. What are the major topics in the returned docs?. Processing . on OpenCL-based FPGAs. Zeke Wang. , Johns Paul, Hui Yan Cheah . (. NTU,. . Singapore), . Bingsheng He (. NUS,. Singapore), . Wei Zhang (HKUST, Hong Kong). 1. Outline. Background and Problem. Processing. Carsten. Binnig, Donald . Kossmann. and Eric Lo. ICDE . 2007. Presented . by . Ankit. Shah . Bikash. Chandra. Motivation. Testing database applications requires generating test . databases. on OpenCL-based FPGAs. Zeke Wang. , Johns Paul, Hui Yan Cheah . (. NTU,. . Singapore), . Bingsheng He (. NUS,. Singapore), . Wei Zhang (HKUST, Hong Kong). 1. Outline. Background and Problem. Challenges. Query optimization. :. The process of choosing a suitable execution strategy for processing a query.. Two internal representations of a query:. Query Tree. Query Graph. Introduction to Query Processing (2). Joseph Busch and Vivian Bliss. Agenda. Pre-defined Boolean Queries. Case Study. Lessons Learned. Boolean queries. Basic operators . AND (conjunctive). OR (disjunctive). NOT (negation). Venn diagrams. Data Management for Big Data. 2018-2019 (. s. pring semester). Dario Della Monica. These slides are a modified version of the slides provided with the book. Özsu. and . Valduriez. , . Principles of . MS Thesis Defense. Manishkumar. . Jha. Committee Members. Dr. . Subbarao. . Kambhampati. Dr. . Huan. Liu. Dr. . Hasan. . Davulcu. 2. Deep Web Integration Scenario. Web DB. Mediator. ←. query. Web DB.