Part 1: Core Concepts (2 Marks)
- Business Data Analytics & Intelligence (BDA/BI): An umbrella term combining architectures, tools, databases, analytical methodologies, and applications to enable business executives to make better, data-driven decisions.
- Decision Support System (DSS): An interactive computer-based information system that utilizes data models and specialized databases to assist management in solving semi-structured and unstructured decision problems.
- Descriptive vs Predictive vs Prescriptive Analytics:
- Descriptive: “What happened?” (Standard reporting, dashboards).
- Predictive: “What will happen?” (Statistical modeling, machine learning forecasting).
- Prescriptive: “What should we do?” (Optimization algorithms, simulation, automated decision rules).
Part 2: Structural Frameworks (10 Marks)
Business Data Analytics High-Level Architecture
- | Operational Data Sources: ERP, CRM, Web Logs, IoT Sensors |
- ETL Data Extraction & Cleaning
- | Enterprise Data Warehouse (EDW) & Data Marts (Star Schemas) |
- Analytical Processing
- | BI Presentation Layer: Dashboards, OLAP Cubes, KPIs, Alerts |
Part 3: Distinction Tables
| Basis of Comparison | Operational Systems (OLTP) | Business Data Analytics (BI/OLAP) |
|---|---|---|
| Primary Focus | Day-to-day transaction processing. | Strategic decision analysis and trend forecasting. |
| Data Scope | Current real-time granular data. | Multi-year historical summarized data. |
| Database Design | Normalized (3NF) to maximize write speed. | Denormalized (Star/Snowflake) to maximize read query speed. |
Part 4: Worked Problems & Exam Traps
Formulating Key Performance Indicators (KPIs)
A KPI must satisfy the SMART criteria: Specific, Measurable, Achievable, Relevant, and Time-bound. Example for Nepalese FinTech: “Achieve a
BI tools do not replace operational transaction databases; they sit downstream from them, fed via scheduled asynchronous ETL pipelines.