# Best practice for documenting reverse ERD? Which connectors to use?

**URL:** <https://forums.visual-paradigm.com/t/best-practice-for-documenting-reverse-erd-which-connectors-to-use/17871>\
**Category:** General Questions/Discussions\
**Tags:** erd\
**Created:** [February 13, 2023, 12:13pm UTC](https://forums.visual-paradigm.com/t/best-practice-for-documenting-reverse-erd-which-connectors-to-use/17871 "2023-02-13T12:13:16Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![srl](https://avatars.discourse-cdn.com/v2/letter/s/76d3ee/32.png) [@srl](https://forums.visual-paradigm.com/u/srl)\
**Post date:** [February 13, 2023, 12:13pm UTC](https://forums.visual-paradigm.com/t/best-practice-for-documenting-reverse-erd-which-connectors-to-use/17871/1 "2023-02-13T12:13:16Z")

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Hello,

I need to document a part of an existing Database and its ‘connected’ columns and entities.  
 ![2023-02-13 12_58_01 001111 Window1](https://forums.visual-paradigm.com/uploads/default/original/2X/0/0fff239b8dccae354d245bbf61549c2c7d6b35d9.png)  
What type of connector makes most sense to do this?

- relationship connectors: they don’t stick to the columns I put them. There is an option to do so on the end side of the connector, but that gets moved away if I rearrange the layout of the diagram. Additionally, they seem alwys to be straight, even if I have seet ‘Connector style’ to 'Curve  
in diagram settings.
- generic connectors: they stay attached to their column, but seem to have no direction or relationship meaning. Also, I didn’t find any way to convert one of them to a one-to-many-Relationship for example.

Another question: is there a kind of more or less smart auto-layout for arranging entities near by their corresponding entities they are connected to?

Reference: I am running Version 16.3 (20220731)

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<div class="post-metadata">

**Author:** ![Rain](https://forums.visual-paradigm.com/user_avatar/forums.visual-paradigm.com/rain/32/2309_2.png) [@Rain](https://forums.visual-paradigm.com/u/Rain)\
**Post date:** [February 15, 2023, 8:28am UTC](https://forums.visual-paradigm.com/t/best-practice-for-documenting-reverse-erd-which-connectors-to-use/17871/2 "2023-02-15T08:28:01Z")

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For relationship connectors you can right click on the blank area of your ERD and select Presentation Options \> Foreign Key Display Options \> Point Foreign Key End to Associated Column to have it link between the PK & FK columns.