Data Structures
- Structured
- Semi structured
- Unstructured
Structured Data
- Easy to search and organized
- Consistent model, rows and columns
- Defined types
- Relational database
- Created and queried using SQL
- Can be grouped
Semi structured Data
- Relatively easy to search and organized
- Consistent model, less rigid implementation and different observations have different size
- Different types
- No-SQL database such as XML, JSON, YAML formats
- Can be grouped but need more work
Unstructured Data
- Difficult to search and organized
- Don't follow a model
- Stord in data lake and may appear in data warehouse or database
- such as image, video, audio and text
- Can be extremely valuable but because it's difficult to search and organized, this value can not be extracted easily
See You Later