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I don't understand the ERDs used by DBeaver. The diamonds and dots at the ends of the line arent the crow's foot I'm used to. I've googled the subject and checked the docs but can't find a straight-forward answer.

Is there a reference for the style used? What do these symbols mean?

Please see the image below:

enter image description here

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  • I think this page explains it quite well with the same diagram in different notations. Sep 24 at 5:48

3 Answers 3

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I found something while putting together this question. It seems the current standard used is IDEF1x, according to this github issue.

I found a PDF cheat sheet with the following content showing all the relationships:

enter image description here

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A link to the IDEF1X notation is actually provided in DBeaver's online docs: https://dbeaver.com/docs/wiki/ER-Diagrams/

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Here is an image from DBeaver Documentation showing relationship notations This is the link: https://dbeaver.com/docs/wiki/Database-Structure-Diagrams/ Here is an image from DBeaver Documentation showing relationship notations

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