Question 1

How do I set up sqflite in a Flutter project?

Accepted Answer

Add sqflite to your pubspec.yaml dependencies, import it, and use openDatabase to initialize. The README includes a how-to guide with detailed steps for quick setup and basic operations.

Question 2

Should I use sqflite or shared_preferences for local storage in Flutter?

Accepted Answer

Use sqflite for relational data with complex queries, as it supports SQL, while shared_preferences is better for simple key-value pairs. Sqflite is more versatile for structured data persistence.

Question 3

How to handle database migrations with sqflite?

Accepted Answer

Utilize the version parameter in openDatabase and implement the onUpgrade callback. Sqflite's automatic version management helps, but you need to write migration logic for schema changes as per the documentation.

Question 4

Is sqflite thread-safe for concurrent access?

Accepted Answer

Yes, sqflite handles concurrency by executing operations in background threads and supports transactions to ensure data consistency. However, manage access patterns carefully to avoid conflicts or deadlocks.

Question 5

What are best practices for querying large datasets with sqflite?

Accepted Answer

Use indexes on frequently queried columns, implement pagination with limit and offset, and batch operations for efficiency. Avoid loading entire datasets at once to prevent memory issues and slowdowns.

Question 6

Can sqflite be used for web apps in Flutter?

Accepted Answer

Yes, but with limitations: it requires sqflite_common_ffi for web support, which can be less performant and more complex to set up compared to native web storage solutions like IndexedDB.

Sqflite

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