Enforce unique values in field and also allow blanks / empty / null values.
I have a table of individuals. A subset of these individuals exists in this table, lets call them VIPs. These VIPs are tracked with an (internal) ID that is unique within the Individual table;...
I fully agree that a unique field can be unique as long as it has a value. Null values should not interfere. May be one has to raise it in the uservoice to quickbase.