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Databases: Part - 1:
Shared Preferences:
Shared Preferences is a simple key-value storage mechanism in Flutter, typically used to store small amounts of data that need to persist across app sessions. It is most commonly used for settings, user preferences, or any data that does not require the complexity of a database. Shared Preferences works asynchronously and stores data in a lightweight format, such as strings, integers, booleans, or lists.

Use Case: Storing user settings, authentication tokens, theme preferences, or any simple data that needs to persist between app launches.
Limitations: It is not suitable for storing large amounts of data or complex objects. Shared Preferences are stored in plain text, so they are not secure for sensitive data.
SQFlite Database:
SQFlite is a plugin for Flutter that provides a way to use SQLite databases. SQLite is a relational database system that is widely used in mobile apps for more complex data storage needs. It allows for the storage of structured data in tables, and it supports SQL queries, transactions, and much more.

Use Case: Suitable for apps requiring the storage of large datasets or complex data structures, like task management apps, e-commerce apps, or any scenario where data relationships (like users and their tasks) need to be maintained.
Features: Supports CRUD (Create, Read, Update, Delete) operations, indexing, SQL queries, and transaction management.
Limitations: While it is a robust solution, using SQFlite can involve more complex setup and maintenance than Shared Preferences.