I'm adding a table and subclass table to my DB. (Subclass table = table where the primary key joins to the primary key of another table, to give extra row information to some subset of the rows ...

Foreign key 'geneassay_fk' references invalid column 'geneassay' in referencing table 'b_SequencingData_seq'. Msg 1750, Level 16, State 0, Line 43 Could not create constraint.

For Higher Computing Science, revise the use of primary and foreign keys and the difference between flat file and relational databases.

For everyone normalizing their designs, just remember: There ain't no such thing as a partial foreign key. When a project pretends that partial foreign keys are a valid concept, the end result is a ...