declare it primaryby checking the Primarycheck box before pressing OK. Primary
external uniqueness is displayed as a circled “P” as shown in Figure 5–6(b).
To make an unqualified external uniqueness constraint primary, right-click the con-
straint, choose Database Propertiesfrom its context menu, and check the box labeled
“Represents the primary identification scheme.” If you do not declare a uniqueness
constraint as primary and it is the only uniqueness constraint that is a candidate for pri-
mary reference, the tool will automatically mark it primary when building the logical
database schema. To reposition an external uniqueness constraint on ...
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