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Editorial Team
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Asked: 2026-05-21T06:38:31+00:00

I’m reviewing this database and creating the foreign keys, believe me they did not

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I’m reviewing this database and creating the foreign keys, believe me they did not exist. I’m using SSMS to visually let me know what foreign keys are missing and also create them. Is there any configuration to let the diagram designer show if a specific column is already part of a foreign key? That would help me identify missing FKs faster.

This is how it’s showed currently:

Current

This is what I’m looking for (or something like that):

Desired

I just need some visual indicator (like I’ve seen in other tools) that shows me if a column is part of a FK.

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1 Answer

  1. Editorial Team

    In SSMS, if you expand the tree of tables for your database, then expand the Columns folder, the icon next to a column will be a silver/gray key if it’s part of a foreign key relationship, but unfortunately it won’t show you the column to which column it’s mapped.

    You could also create a new diagram in SSMS by right-clicking the “Database Diagrams” folder underneath your database in the tree and choosing “New Database Diagram.” You will get lines between the tables where foreign keys exists.

    You could also use third-party tools to reverse engineer a diagram from your DB schema, like Microsoft Visio or Sparx Enterprise Architect.

    I’m not sure SSMS Express supports these things, so you might be out of luck with anything fancy/visual.

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