# Tutorial: Storage, File System and SQL

DevFeed: [Tutorial: Storage, File System and SQL](<https://devfeed.tech/articles/tutorial-storage-file-system-and-sql-19634.md>)

Original publisher: [Read original article](<https://www.codenameone.com/blog/tutorial-storage-file-system-sql/>)

Author: Shai Almog

Published: 2017-06-07T00:00:00Z

Content type: tutorial

Language: en

Sources: [CodeName One](<https://devfeed.tech/sources/codename-one.md>)

Topics: [Tutorial](<https://devfeed.tech/topics/tutorial.md>), [Filesystems](<https://devfeed.tech/topics/filesystems.md>), [SQL](<https://devfeed.tech/topics/sql.md>)

Tags: [sql](<https://devfeed.tech/tags/sql.md>), [storage](<https://devfeed.tech/tags/storage.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>)

## AI overview

A Codename One tutorial video introduces storage, file systems, and SQL. It simplifies the subject and omits some samples, variations, and externalization to keep the video concise.

## Source excerpt

Storage is one of the big subjects we can delve into and never come out. Even without going into offshoots such as parsing, networking etc. it's still a pretty huge subject. We tried to simplify a lot of these problems by splitting file system from storage in Codename One but this often caused a different type of confusion. Because I tried to keep the video very simple I also didn't get into too many samples or variations e.g. no externalization or other interesting discussions. I specifically avoided those as with properties this becomes far easier but I also think these might make the video harder/longer.