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Editorial Team
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Asked: 2026-06-13T15:34:09+00:00

Can someone help explain this to me and resolve it? http://sqlfiddle.com/#!6/2adc7/9 The INSERT statement

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Can someone help explain this to me and resolve it?

http://sqlfiddle.com/#!6/2adc7/9

The INSERT statement conflicted with the FOREIGN KEY constraint “FK_tblMobileForms_tblForms”. The conflict occurred in database “db_6_2adc7”, table “dbo.tblForms”, column ‘fm_id’.: insert into tblMobileForms(fm_name) values (‘lol’)

My schema has the ID from tblMobileForms be a foreign key to tblForms.fm_id

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1 Answer

  1. Editorial Team

    The PK on the tblMobileForms table has the same name as the FK on the same table. Seeing the PK is an IDENTITY column, you can end up with non-matching values.

    In my fiddle, the tblForms table contained IDs in the upper 60s. Running the INSERT in the child table would add a record with id 1, which does not exist in the parent table.

    I’d create a new row in the tblMobileForms table, and reference that to the parent table.

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