What is a business analysis data modeling?

Question

Accepted Answer

**Data modeling** — creating data structure representations.

**Levels:**
- **Conceptual** — high-level entities.
- **Logical** — attributes and relationships.
- **Physical** — database implementation.

Steps:
1. Identify entities.
2. Define attributes.
3. Establish relationships.
4. Create ERD.
5. Validate with stakeholders.

**Example:**
```
[Customer] 1----N [Order] 1----N [Product]
  - id               - id           - id
  - name             - date         - name
  - email            - total        - price
```

**Benefits:**
- Data understanding.
- Design support.
- Communication.

Business Analyst: What is a business analysis data modeling?