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Editorial Team
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Asked: 2026-05-16T07:34:19+00:00

This is a 2 part question. Question 1: I am trying to create a

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This is a 2 part question.

Question 1: I am trying to create a foreign key on a table where I need to turn off the “Check Existing Data on Creation or Re-Enabling”. I know theres an option visually but I’m looking for a way to do it programmatically. Is there anyway to do this?

Question 2: I have a code table and two tables A and B that need to reference that code table. I want to have these both referenced from a relationship table but I want to able to use the same column. Can I have 2 foreign keys pointing to the same column?

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1 Answer

  1. Editorial Team

    Yes you can have the same column inthe parent table refer to differnt columns in multiple tables.

    I do not recommend turning off checking FK on creation. If you have bad data now, you need to fix it now. Otherwise the first time someone edits one of those records it will fail the FK check then.

    From Books online as to why it is a bad idea to use nocheck:

    If you do not want to verify new CHECK
    or FOREIGN KEY constraints against
    existing data, use WITH NOCHECK. We do
    not recommend doing this, except in
    rare cases. The new constraint will be
    evaluated in all later data updates.
    Any constraint violations that are
    suppressed by WITH NOCHECK when the
    constraint is added may cause future
    updates to fail if they update rows
    with data that does not comply with
    the constraint.

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