Databases
Database localhost guides: PostgreSQL, MySQL, MariaDB, Redis, MongoDB, SQLite, phpMyAdmin, and Adminer. Connection strings (mongodb://localhost:27017, redis://localhost:6379), ports, and local access.
- mongodb://localhost:27017 — Connect & Run MongoDB Locally · Databases — What does mongodb://localhost:27017 mean? URI examples, mongosh and Compass, Docker startup, and fixes for ECONNREFUSED.
- SQLite Local Usage Guide · Databases — SQLite is a file-based embedded database that does not require a standalone service, commonly used as db.sqlite3 in local development with Rails/Django/Flask.
- PostgreSQL Local Usage Guide · Databases — Install and connect to PostgreSQL on localhost:5432 for local development with applications like Django, Rails, and Node.
- redis://localhost:6379 — Connect & Run Redis Locally · Databases — What does redis://localhost:6379 mean? URI formats, redis-cli, Docker, and Connection refused fixes.
- Adminer Local Database Management Guide · Databases — A single-file PHP database tool, Adminer can be deployed at http://localhost/adminer to manage MySQL, MariaDB, SQLite, and more.
- Using MariaDB on localhost · Databases — MariaDB is an open-source branch of MySQL, and local stacks like XAMPP default to using MariaDB, connecting via localhost:3306.