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 DOMAINS 

Using the system table DOMAINS, you can determine the following database information, among other things:

·        All domains and their comments defined for data type DATE
SELECT owner, domainname, comment
  FROM DOMAIN.DOMAINS
    datatype = 'DATE'

·        All your own domains in which a default value was agreed
SELECT domainname, datatype, len, dec, default
  FROM DOMAIN.DOMAINS
    WHERE owner = user
      AND default IS NOT NULL

Constraint of a domain: see DOMAINCONSTRAINTS

Domain for column definition: see COLUMNS

 

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