Question

Migrate from SQLite / SQLAlchemy DB to a managed MySQL DB

Hello,

I created my first web app using the 1-click web app. I am using Flask and SQLAlchemy. Right now my db is the SQLite file. The problem I am having is, that user can write to the db via the website, but I have no way of accessing /managing this data. So I want to move to a managed MySQL database.

Has someone done something like this before, could help me or send me in the right direction.

Any help greatly appreciated!

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Bobby Iliev
Site Moderator
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• April 1, 2023

Hi there,

Yes, I believe that this should be doable. You can start by first exporting your SQLite data to a SQL file using the sqlite3 CLI:

sqlite3 your_sqlite_db.db .dump > sqlite_data.sql

Then once you have your data, you can convert SQLite SQL to MySQL compatible SQL: There are some differences in SQL syntax between SQLite and MySQL. You can use this Python package here for example:

sqlite3-to-mysql

To install the package run:

pip install sqlite3-to-mysql

Then, run the conversion:

sqlite3mysql -f sqlite_data.sql -o mysql_data.sql

Finally, you can import the converted file to your MySQL database using the mysql CLI client as described in the docs here:

https://docs.digitalocean.com/products/databases/mysql/how-to/import-databases/

Let me know if you hit any problems!

Best,

Bobby

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