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| * A summary of [[:teaching:infoh417:logicalopt-additional|common questions and answers, mistakes and questions regarding the optimization of logical query plans]] is also available. | * A summary of [[:teaching:infoh417:logicalopt-additional|common questions and answers, mistakes and questions regarding the optimization of logical query plans]] is also available. | ||
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| + | * The {{:teaching:infoh417:02_-_logicalopt-sol-slides.pdf|solutions}} of the optimization exercises are online. | ||
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| * We take an intermezzo in the compilation of SQL to logical query plans, and consider how a DBMS physically organizes its data on disk. ({{:teaching:infoh417:slides-ra1.pdf|slides}}). The details may be found in chapter 13 of the book and constitute the first reading assignment. | * We take an intermezzo in the compilation of SQL to logical query plans, and consider how a DBMS physically organizes its data on disk. ({{:teaching:infoh417:slides-ra1.pdf|slides}}). The details may be found in chapter 13 of the book and constitute the first reading assignment. | ||
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| + | ==== Lecture 3: Index Structures ==== | ||
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| + | * During Lecture 3 ({{:teaching:infoh417:slides-lect3-part1.pdf|slides part I}}, {{:teaching:infoh417:slides-lect3-part2.pdf|slides part II}}) we study sparse and dense index structures, and BTrees. The details are found in chapter 14, sections 14.1 and 14.2 in the book. | ||
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| + | ==== Lecture 4: More Index Structures ==== | ||
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| + | * During Lecture 4 ({{:teaching:infoh417:slides-lect4-part1.pdf|slides part I}}, {{:teaching:infoh417:slides-lect4-part2.pdf|slides part II}}, {{:teaching:infoh417:slides-ch13-indexstruc.odp|slides part II in OpenOffice Impress format}}) we have studied index structures based on hashing. Hash-based indexes are discussed in depth in section 14.3 and 15.7 in the book. | ||
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| + | * In addition, we have also introduced data warehouses {{:teaching:infoh417:slides-lect5.pdf|slides}}) and motivated the need for multidimensional index structures. Subsequently, we and have studied various index structures that deal gracefully with multidimensional search keys. See sections 14.4-14.6, pages 661-688 (in the international edition) or pages 649-676 (in the new international edition) of the book. | ||