Decision Support Systems Roadmap
1. Introduction and Database Review
1.1 Course Structure
- Syllabus and evaluation criteria
1.2 Database Fundamentals
- Definition and levels of abstraction (Conceptual, Logical, Physical) [Present in the Question Set]
- Database users and the role of the DBA [Present in the Question Set]
- Entity-Relationship (E-R) Model [Present in the Question Set]
1.3 Normalization of Relations
- First and Second Normal Form (1NF, 2NF)
- Third Normal Form (3NF) [Present in the Question Set]
2. Business Intelligence and DSS
2.1 Decision Supporting Systems (DSS)
- Definition and objectives of DSS
2.2 Recommender Systems
- Recommender Systems
3. Data Warehouse and ETL Processes
3.1 Components and Architecture
- Differences between Database and Data Warehouse
- Data sources, Staging area, Data marts [Present in the Question Set]
- 2-tier and 3-tier architecture
3.2 Logical Modeling
- MOLAP, ROLAP, and HOLAP Databases [Present in the Question Set]
- Star Schema and Snowflake Schema [Present in the Question Set]
3.3 ETL Subsystems
- Extraction, Transformation, and Loading [Present in the Question Set]
4. Dimensional Modelling
4.1 Fundamentals of the Multidimensional Model
- Fact Tables, Measures, and Granularity [Present in the Question Set]
- Dimension Tables and Attributes [Present in the Question Set]
- Hierarchies and Levels [Present in the Question Set]
4.2 OLAP Operations
- Drill Down and Roll Up [Present in the Question Set]
- Slice, Dice, and Pivot [Present in the Question Set]
- Resolution of aggregation problems [Present in the Question Set]
4.3 Practical Applications
- Retail Sales (Additive measures) [Present in the Question Set]
- Inventory [Present in the Question Set]
- Procurement [Present in the Question Set]
- Order Management [Present in the Question Set]
5. Data Visualization with Tableau
5.1 Basic Operations
- Worksheets and sample projects (Superstore, Regional, Word indicators)
- Drill Down, Sorting, and Grouping
5.2 Advanced Features
- Filters and Parameters [Present in the Question Set]
- Calculated fields and syntax [Present in the Question Set]
- Level of Detail (LOD)
5.3 Report Creation
- Creation of Dashboards and Stories [Present in the Question Set]
6. Data Mining
6.1 Data Preparation and Exploration
- CRISP-DM Model
- Data Exploration
- Anomaly detection [Present in the Question Set]
6.2 Tools
- Weka Software
6.3 Classification Models
- Decision trees: depth and Gini Index [Present in the Question Set]
- Rule-based classification
6.4 Analysis and Clustering
- Association Analysis [Present in the Question Set]
- K-means and DBSCAN algorithms [Present in the Question Set]