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Home/ Questions/Q 8483771
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Editorial Team
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Editorial Team
Asked: June 10, 20262026-06-10T20:11:51+00:00 2026-06-10T20:11:51+00:00

This is the same exact question as this , but instead for EF5. Is

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This is the same exact question as this, but instead for EF5.

Is it possible now?

We have a Users table that has an int PK, but in our other tables that have columns like InsertBy/UpdateBy, the desire is to use value of the LANID varchar column from the Users table, rather than the UserID.

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  1. Editorial Team
    Editorial Team
    2026-06-10T20:11:53+00:00Added an answer on June 10, 2026 at 8:11 pm

    No it is still not possible. FK must target PK in the principal table because EF still doesn’t support unique keys (prerequisite for using non-PK columns).

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