Domains
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
A DOMAIN is a specialisation of another data type, adding any of the following additional restrictions (depending on the database dialect):
- A
DEFAULTvalue - A
NOT NULLconstraint - A
COLLATION - A set of
CHECKconstraints
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