Introduction to Data Models

Two major questions for concepts regarding data are

  1. How to store data
  2. How to organize the data
The are the two ways.

Three components of data models are
  1. Structure
    1. Rows-Columns
    2. Networks
    3. Key-Value Pair
    4. Sequence of Bytes
  2. Constraints
    1. Tabular data model
    2. For different nodes
  3. Operations
    1. Find value of key x
    2. 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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