Which SQL Database Should You Install?
By Michael Nocito , data analyst · Published August 7, 2026 If you want to write SQL against your own data today, install a file-based engine: SQLite if you are learning, DuckDB if your data is already in CSV files. Both give you the whole SQL language. Neither has a server to start, a port to open, or a password to set. Install a server such as PostgreSQL, MySQL or SQL Server when, and only…
Installing a file-based engine, such as SQLite or DuckDB, is recommended if you are the only one interacting with the data. These databases do not require a server or any additional setup like ports or passwords. They are ideal for personal use or when working on a single machine. On the other hand, if multiple users need to read and write the same data simultaneously, a server database like PostgreSQL, MySQL, or SQL Server is necessary.
These databases run as separate programs that can handle concurrent connections from multiple clients. The decision between a file-based or server database depends on whether more than one person or program needs simultaneous access to the data. In most cases, installing a file-based database like SQLite or DuckDB is sufficient for individual use or small projects, as they are simple to set up and allow you to start querying your data quickly.
However, if collaboration or remote access is required, a server database is the appropriate choice.
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