What are the advantages and disadvantages of choosing a specific type of data storage?

The choice of data storage type depends on the application's requirements and affects performance, scalability, and development convenience.

Advantages and disadvantages of main storage types:

• Relational databases (SQL):

  • • Strict data structure, support for complex queries and transactions.
  • • Well-suited for data with a clear schema.
  • • Less flexible when changing data structure.
  • • Require server setup and maintenance.

• NoSQL databases:

  • • Flexible schema, suitable for large volumes of unstructured data.
  • • High scalability.
  • • Less support for complex transactions.
  • • Different types of NoSQL (document, graph, column) require choosing based on specific tasks.

• File storage:

  • • Simple to use for storing large files (images, videos).
  • • Inefficient for complex queries and structured data.

• Shared Preferences / Key-Value storage (in Android):

  • • Convenient for storing small settings and parameters.
  • • Not suitable for large volumes of data.

The choice depends on:

• Data volume and structure.
• Need for transactions.
• Requirements for access speed and scalability.
• Ease of integration with the application.