Since Recipients table already has a PK, I cannot make my field a PK so it is unique.So I cannot use:autopk (boolean): if this option is activated (autopk=“true”), a unique key will be automatically defined. This option may only be used on the main element of the schema. Warning, Adobe Campaign only guarantees that the key generated is unique. It is not guaranteed that the key values are consecutive and incremental.

Level 6

Solved

How to make a field unique?

Since Recipients table already has a PK, I cannot make my field a PK so it is unique.

So I cannot use:

autopk (boolean): if this option is activated (autopk=“true”), a unique key will be automatically defined. This option may only be used on the main element of the schema. Warning, Adobe Campaign only guarantees that the key generated is unique. It is not guaranteed that the key values are consecutive and incremental.