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バージョン:25.2

missing value

  • constant
  • a special value indicating that there is no value, used particularly in records retrieved from a database
  • Note: Most operations in SenseTalk which would return a non-existent value will return empty, not missing value. The missing value exists primarily for working with external sources which make a distinction between an empty value and one which doesn’t exist.
  • Synonyms: nil, null
  • new in 1.56
  • Related: empty, nil, null