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whenWhen a there are 2 columns for primary keys they make up a composite primary key therefore you have to make sure that in the table that is being referenced there are also 2 columns of the same data type.

when a there are 2 columns for primary keys they make up a composite primary key therefore you have to make sure that in the table that is being referenced there are also 2 columns of the same data type.

When a there are 2 columns for primary keys they make up a composite primary key therefore you have to make sure that in the table that is being referenced there are also 2 columns of the same data type.

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when a there are 2 columns for primary keys they make up a composite primary key therefore you have to make sure that in the table that is being referenced there are also 2 columns of the same data type.