Introduction to Data Models
Two major questions for concepts regarding data are
- How to store data
- How to organize the data
The are the two ways.
Three components of data models are
- Structure
- Rows-Columns
- Networks
- Key-Value Pair
- Sequence of Bytes
- Constraints
- Tabular data model
- For different nodes
- Operations
- Find value of key x
- Find N number of bytes
Databases
- Collection of data.
Data Models:
- Self describing data
We need database models for
- Sharing data
- Scaling data
- Flexibility
- Organized and clean data
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