You can specify the following column constraint forms:
- UNIQUE
- PRIMARY KEY
- CHECK (boolean_condition)
- REFERENCES referenced_table_name
You cannot specify column-level or table-level constraints for UDT columns. You cannot specify the following constraints for UDT, Geospatial, or Period columns:
- BETWEEN ... AND
- UNIQUE (boolean_condition)
- PRIMARY KEY
- CHECK
- REFERENCES referenced_table_name