mds:dsd:2020
Differenze
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| mds:dsd:2020 [04/11/2022 alle 12:16 (4 anni fa)] – Salvatore Ruggieri | mds:dsd:2020 [26/08/2026 alle 12:35 (5 giorni fa)] (versione attuale) – eliminata Salvatore Ruggieri | ||
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| - | ====== Decision Support Databases A.Y. 2020/21 ====== | ||
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| - | The course presents the main approaches to the design and implementation of decision support databases, and the characteristics of business intelligence tools and computer based information systems used to produce summary information to facilitate appropriate decision-making processes and make them more quick and objectives. Particular attention will be paid to themes such as conceptual and logical Data Warehouses design, data analysis using analytic SQL, algorithms for selecting materialized views, data warehouse systems technology (indexes, star query optimization, | ||
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| - | < | ||
| - | =====Instructor===== | ||
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| - | * **Salvatore Ruggieri** (Lectures) | ||
| - | * Università di Pisa | ||
| - | * [[http:// | ||
| - | * [[salvatore.ruggieri@unipi.it]] | ||
| - | * < | ||
| - | * **Office hours only via Skype or Teams by appointment. Skype contact: salvatore.ruggieri** | ||
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| - | =====Classes===== | ||
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| - | Lessons will be virtual using Teams ([[https:// | ||
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| - | ^ Day of Week ^ Hour ^ Room ^ | ||
| - | | Wednesday | ||
| - | | Friday | ||
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| - | =====Mandatory teaching material ===== | ||
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| - | * **[DW]** A. Albano, S. Ruggieri. [[http:// | ||
| - | * **[DB]** A. Albano. [[http:// | ||
| - | * Examples of [[http:// | ||
| - | =====Software===== | ||
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| - | * [[http:// | ||
| - | * [[https:// | ||
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| - | =====Preliminary program and calendar===== | ||
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| - | * [[https:// | ||
| - | * [[https:// | ||
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| - | =====Exams===== | ||
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| - | __//There are no mid-terms// | ||
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| - | Registration to exams is mandatory (**look at the deadline for registering!**): | ||
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| - | ^ Date ^ Hour ^ Room ^ Notes ^ | ||
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| - | < | ||
| - | <!-- | ||
| - | | 10/ | ||
| - | | 27/ | ||
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| - | </ | ||
| - | =====Class calendar===== | ||
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| - | Lessons will be virtual using Teams ([[https:// | ||
| - | Lessons will be mostly based on exercises and Q&A. Students __must listen and study__ the required lessons of 2019 in advance.\\ | ||
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| - | Recordings are password protected. Ask the teacher for credentials. | ||
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| - | **2020-01.** //Wednesday 16 September 2020, 11-13// [[http:// | ||
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| - | Course overview and organization.\\ | ||
| - | //@Home:// listen and study lessons **2019-01** and **2019-02**. | ||
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| - | **2020-02.** //Wednesday 23 September 2020, 11-13// [[http:// | ||
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| - | Q&A, discussion, exercises on lessons **2019-01** and **2019-02**.\\ | ||
| - | //@Home:// listen and study lesson **2019-03**. | ||
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| - | **2020-03.** //Friday 25 September 2020, 14-16// [[http:// | ||
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| - | Q&A, discussion, exercises on lesson **2019-03**. {{ : | ||
| - | //@Home:// listen and study lessons **2019-04** and **2019-05**. | ||
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| - | **2020-04.** //Wednesday 30 September 2020, 11-13// [[http:// | ||
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| - | Q&A, discussion, exercises on lessons **2019-04** and **2019-05**. {{ : | ||
| - | //@Home:// no assignment. | ||
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| - | **2020-05.** //Friday 2 October 2020, 14-16// [[http:// | ||
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| - | Q&A, discussion, exercises on lesson **2019-04** and **2019-05**.\\ | ||
| - | //@Home:// listen and study lessons **2019-06** and **2019-08**. | ||
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| - | **2020-06.** //Wednesday 7 October 2020, 11-13// [[http:// | ||
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| - | Q&A, discussion, exercises on lessons **2019-06** and **2019-08**. {{ : | ||
| - | //@Home:// no assignment. | ||
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| - | **2020-07.** //Friday 9 October 2020, 14-16// [[http:// | ||
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| - | Q&A, discussion, exercises on lessons **2019-06** and **2019-08**. {{ : | ||
| - | //@Home:// listen and study lessons **2019-07** and **2019-10**. | ||
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| - | **2020-08.** //Wednesday 14 October 2020, 11-13// [[http:// | ||
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| - | Q&A, discussion, exercises on lessons **2019-07** and **2019-10**. {{ : | ||
| - | //@Home:// no assignment. | ||
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| - | **2020-09.** //Friday 16 October 2020, 14-16// [[http:// | ||
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| - | Q&A, discussion, exercises on lessons **2019-07** and **2019-10**. {{ : | ||
| - | //@Home:// listen and study lesson **2019-11**. | ||
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| - | **2020-10.** //Wednesday 21October 2020, 11-13// [[http:// | ||
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| - | Q&A, discussion, exercises on lesson **2019-11**. {{ : | ||
| - | //@Home:// listen and study lesson **2019-09**. | ||
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| - | **2020-11.** //Friday 23 October 2020, 14-16// [[http:// | ||
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| - | Q&A, discussion, exercises on lesson **2019-09**. {{ : | ||
| - | //@Home:// listen and study lessons **2019-12** and **2019-13**. | ||
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| - | **2020-12.** //Wednesday 28 October 2020, 11-13// [[http:// | ||
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| - | Q&A, discussion, exercises on lessons **2019-09**, | ||
| - | //@Home:// no assignment. | ||
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| - | **2020-13.** //Friday 30 October 2020, 14-16// [[http:// | ||
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| - | Q&A, discussion, exercises on lessons **2019-12** and **2019-13**. {{ : | ||
| - | //@Home:// listen and study lessons **2019-14** and **2019-16**. | ||
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| - | **2020-14.** //Wednesday 4 November 2020, 11-13// [[http:// | ||
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| - | Q&A, discussion, exercises on lessons **2019-14** and **2019-16**.\\ | ||
| - | //@Home:// no assignment. | ||
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| - | **2020-15.** //Friday 6 November 2020, 14-16// [[http:// | ||
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| - | Q&A, discussion, exercises on lessons **2019-14** and **2019-16**. {{ : | ||
| - | //@Home:// no assignment. | ||
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| - | **2020-16.** //Wednesday 11 November 2020, 11-13// [[http:// | ||
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| - | Q&A, discussion, exercises on lessons **2019-14** and **2019-16**. {{ : | ||
| - | //@Home:// no assignment. | ||
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| - | **2020-17.** //Friday 13 November 2020, 14-16// [[http:// | ||
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| - | Q&A, discussion, exercises on lessons **2019-14** and **2019-16**. {{ : | ||
| - | //@Home:// listen and study lessons **2019-15** and **2019-17**. | ||
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| - | **2020-18.** //Wednesday 18 November 2020, 11-13// [[http:// | ||
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| - | Q&A, discussion, exercises on lessons **2019-15** and **2019-17**. {{ : | ||
| - | //@Home:// listen and study lesson **2019-18**. | ||
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| - | **2020-19.** //Friday 20 November 2020, 14-16// [[http:// | ||
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| - | Q&A, discussion, exercises on lesson **2019-18**. {{ : | ||
| - | //@Home:// listen and study lesson **2019-19**. | ||
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| - | **2020-20.** //Wednesday 25 November 2020, 11-13// [[http:// | ||
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| - | Q&A, discussion, exercises on lesson **2019-19**.\\ | ||
| - | //@Home:// listen and study lesson **2019-20**. | ||
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| - | **2020-XX.** //< | ||
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| - | This lesson is reserved for the extraordinary exam session. | ||
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| - | **2020-21.** //Wednesday 2 December 2020, 11-13// [[http:// | ||
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| - | Q&A, discussion, exercises on lesson **2019-20**. {{ : | ||
| - | //@Home:// listen and study lesson **2019-21**. | ||
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| - | **2020-22.** //Friday 4 December 2020, 14-16// [[http:// | ||
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| - | Q&A, discussion, exercises on lesson **2019-21**. {{ : | ||
| - | //@Home:// listen and study lesson **2019-22**. | ||
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| - | **2020-23.** //Wednesday 9 December 2020, 11-13// [[http:// | ||
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| - | Q&A, discussion, exercises on written test structure. Example of [[http:// | ||
| - | //@Home:// no assignment. | ||
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| - | **2020-24.** //Friday 11 December 2020, 14-16// [[http:// | ||
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| - | Q&A, discussion. | ||
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| - | =====Class calendar of A.Y. 2019/ | ||
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| - | Recordings are password protected. Ask the teacher for credentials. | ||
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| - | **2019-01.** //Wednesday 18 September 2019, 14-16// **[DW: 1.1-1.2]** [[http:// | ||
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| - | Course overview. Need for Strategic Information. Information Systems in Organizations: | ||
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| - | **2019-02.** //Friday 20 September 2019, 16-18// **[DW: 1.3-1.7]** [[http:// | ||
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| - | The data warehouse (DW) and DW architectures. What to model in a DW: Facts, measures, dimensions and dimensional hierarchies. Examples of data analysis. Exercises on data analysis in SQL. | ||
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| - | **2019-03.** //Wednesday 25 September 2019, 14-16// **[DB: 1.1, 2.1-2.5]** [[http:// | ||
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| - | Recalls: the Object Data Model. | ||
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| - | **2019-04.** //Friday 27 September 2019, 16-18// **[DW: 2.1]** [[http:// | ||
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| - | DW modeling. A conceptual multidimensional data model. Representation of Fact, measures, dimensions, attributes and dimensional hierarchies. Key steps in conceptual design from business questions. How to identify fact types and fact granularity and measure types. How to identify dimensions, dimensional attributes and hierarchies. Examples.\\ | ||
| - | **Slides:** [[http:// | ||
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| - | **2019-05.** //Wednesday 2 October 2019, 14-16// **[DW: 2.1, A.1]** [[http:// | ||
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| - | The example of a data model for Master program exams. Presentation and discussion of the Hospital case study. | ||
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| - | **2019-06.** //Friday 4 October 2019, 16-18// **[DB: 3.1-3.2]** [[http:// | ||
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| - | Recalls: the relational model and relational algebra. Exercises. | ||
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| - | **2019-07.** //Wednesday 9 October 2019, 14-16// **[DW: 2.1, | ||
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| - | More about data mart conceptual design, changing dimensions and advanced data model features. From Conceptual design to relational logical design. Star model, snowflake, and constellation. Logical schema of the Hospital case study. | ||
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| - | **XX** < | ||
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| - | Lesson canceled to allow students' | ||
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| - | **2019-08.** //Wednesday 16 October 2019, 14-16// **[DB: 3.2-3.3]** [[http:// | ||
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| - | Recalls: the relational model and relational algebra. Logical trees. Exercises. | ||
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| - | **2019-09.** //Friday 18 October 2019, 16-18// **[DW: 2.3,2.4]** [[http:// | ||
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| - | Multidimensional Cube model: OLAP Operations. The extended cube and the lattice of cuboids. Pivot tables in Excel. PowerPivot.\\ | ||
| - | **Additional learning material:** | ||
| - | * G. Harvey. Excel 2013 All-in-One For Dummies, 2013. [[http:// | ||
| - | * [[https:// | ||
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| - | **2019-10.** //Wednesday 23 October 2019, 14-16// **[DW: A.2, | ||
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| - | Discussion of students' | ||
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| - | **XX** < | ||
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| - | Lesson canceled due to institutional duties of the teacher. It will be dsdovered later on. | ||
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| - | **2019-11.** //Wednesday 30 October 2019, 14-16// | ||
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| - | Data mart logical design. Slowly changing dimensions, fast changing dimensions, shared dimensions. Recursive hierarchies. Multivalued dimensions. Multivalued Dimensional Attributes. | ||
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| - | **2019-12.** //Monday 4 November 2019, 16-18, **(Recover lesson - Room M1)**// **[DB: 3.4], [DW: 4.1-4.8]** [[http:// | ||
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| - | Recalls on: ODM-to-Relational Mapping. A DW to support Analytical CRM Analysis. | ||
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| - | **2019-13.** //Wednesday 6 November 2019, 14-16// **[DB: 4.1-4.2, | ||
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| - | Recalls on: DBMS, from SQL to extended relational algebra. Exercises.\\ | ||
| - | **Software: | ||
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| - | **2019-14.** //Friday 8 November 2019, 16-18// **[DW: 5.1-5.4]** [[http:// | ||
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| - | OLAP systems. Data Analysis Using SQL. Simple reports. Examples. Moderately Difficult Reports. Examples of variance reports. Solutions in SQL. | ||
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| - | **2019-15.** //Monday 11 November 2019, 16-18, **(Recover lesson - Room C1)**// **[DB: 6.1-6.6, 6.8, 7.1-7.2]** [[http:// | ||
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| - | Recalls of relational DBMS internals: Storage, Indexing and Query Evaluation. Physical operators and physical plans for projection, selection, joins and grouping. Examples.\\ | ||
| - | **Software: | ||
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| - | **2019-16.** //Wednesday 13 November 2019, 14-16// **[DW: 5.5-5.6]** [[http:// | ||
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| - | Very Difficult Reports without Analytic SQL. Example of reports with ranks. Analytic Functions with the use of partitions and running totals. Examples. Analytic Functions with the use of moving windows. Examples.\\ | ||
| - | **Software: | ||
| - | |Azure Data Studio]]. | ||
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| - | **XX** < | ||
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| - | Lesson canceled due to institutional duties of the teacher. It will be dsdovered later on. | ||
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| - | **2019-17.** //Wednesday 20 November 2019, 14-16// **[DW: 6.1-6.4]** [[http:// | ||
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| - | Data Warehouse Systems: Special-Purpose Indexes and Star Query Plan. Bitmap indexes. Join indexes. Star queries optimization and query plans. Examples. Table partitioning. | ||
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| - | **2019-18.** //Friday 22 November 2019, 16-18// **[DW: 7.1-7.7]** [[http:// | ||
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| - | The problem of materialized views selection. The lattice of views and the greedy algorithm HRU for the selection of materialized views. Examples. Other algorithms for the choice of the views to materialize with a workload and dimensional hierarchies. | ||
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| - | **2019-19.** //Monday 25 November 2019, 16-18 **(Recover lesson - Room C1**)// **[DW: 8.1-8.2, DB: 3.5.1-3.5.4]** [[http:// | ||
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| - | Recalls of functional dependency properties and how they are used to reason about the properties of the result of a query. Properties of the group-by operator. | ||
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| - | **2019-19 bis.** //Wednesday 27 November 2019, 14-16 **(Room C1)**// | ||
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| - | **Seminar (in Italian):** Sistema per l’analisi di dati statici di supporto alle decisioni. Speaker: Vincenzo Minei ([[https:// | ||
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| - | **2019-20.** //Friday 29 November 2019, 16-18// **[DW: 8.3-8.6]** [[http:// | ||
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| - | The problem of evaluating the group-by before the join operator. First case: Invariant grouping. Examples. Other cases: double grouping, grouping and counting. Examples with star queries. | ||
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| - | **2019-21.** //Wednesday 4 December 2019, 14-16// **[DW: 9.1-9.4]** [[http:// | ||
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| - | The problem of query rewrite to use a materialized view. Hypothesis and two approaches: With a compensation on the logical view plan, and with a transformation of logical query plan. Examples. | ||
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| - | **2019-22.** //Friday 6 December 2019, 16-18// **[DW: 6.5-6.8]** [[http:// | ||
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| - | Data Warehousing trends: column-oriented DW, main-memory DW, Big Data framework. | ||
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| - | **2019-23.** //Wednesday 11 December 2019, 14-16// | ||
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| - | Examples of written exams with solutions. Q. & A.\\ | ||
| - | **Slides:** [[http:// | ||
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| - | **2019-24.** //Friday 13 December 2019, 16-18// | ||
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| - | Examples of written exams with solutions. Q. & A. | ||
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mds/dsd/2020.1667564204.txt.gz · Ultima modifica: da Salvatore Ruggieri