Then click Save on the Quick Access toolbar. 2] How to add a new Primary Key to the Access table We will add the new primary key to the field that we want to become the primary key. Delete the ...

It links one table to a single record in another table; Primary Keys links tables. One- to- One Relationship can connect a table with many fields together and separate a table for security reasons.

Yes. Foreign keys can refer to another column in the same table. The top-level folder might need to be its own parent - I don't know if it'll let you have a NULL there. As long as the interface ...