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| ====== INFO-H-417 : Database Systems Architecture ====== | ====== INFO-H-417 : Database Systems Architecture ====== | ||
| - | <note warning>There will be **no** exercise session on wednesday 18/10 and 25/10, in contrast to what is indicated on gehol.</note> | + | <note important>There will be no lecture on friday, september 1. Please use this time to do the integrated exercises/exercises on logging, as indicated in the description of lecture 8 below.</note> |
| ===== GENERAL INFORMATION ===== | ===== GENERAL INFORMATION ===== | ||
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| * During lecture 7 ({{:teaching:infoh417:slides-lect7.pdf|slides}}), we study the problems that occur when translating a logical query plan into an (optimal) physical query plan (i.e., estimating the sizes of subresults and join ordering). The details can be found in Chapter 16 (Sections 16.4 until 16.8, pages 792-839 in the international edition or pages 780-827 in the new international edition). | * During lecture 7 ({{:teaching:infoh417:slides-lect7.pdf|slides}}), we study the problems that occur when translating a logical query plan into an (optimal) physical query plan (i.e., estimating the sizes of subresults and join ordering). The details can be found in Chapter 16 (Sections 16.4 until 16.8, pages 792-839 in the international edition or pages 780-827 in the new international edition). | ||
| - | * You are expected to solve exercise 2 of the {{:teaching:infoh417:04-costbasedsel-ex.pdf|cost-based plan selection exercises}} by the exercises session of **November 24**. | + | * You are expected to solve exercise 2 of the {{:teaching:infoh417:04-costbasedsel-ex.pdf|cost-based plan selection exercises}} by the exercises session of **November 24**. The solutions {{:teaching:infoh417:04-costbasedsel-sol-slides.pdf|are online}}. |
| ==== Lecture 8: Coping with System Failures ==== | ==== Lecture 8: Coping with System Failures ==== | ||