Subject RE: [firebird-support] The use of domains
Author Epstein, Ed
I understand domains to be custom datatypes. For example, Interbase 6 never
fully supported boolean values, so you could create a domain called
IB_BOOLEAN. It was defined as VarChar(1) and had a check constraint to make
sure the only values could be 0 or 1.

I still dont understand why it is called a domain though.

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