Not all fields in AL Language are stored in SQL Database. Flowfields are a great example of these fields. Flowfields are special field type that allows you to create a field that loads a value from another field within the same or even different table.
In the AL Language, flowfields are very often used, and it is one of the necessities any developer have to know. Check this video to find out how to create a flowfield and what types of flowfield are supported.
This video is a part of my series for beginners in AL Language. To see the full list of episodes, see https://kepty.cz/category/youtube-channel/kepty4beginners/.