02. File Structures - cs.kangwon.ac.kr

1 (Advanced Data Structures )(Advanced Data Structures )File StructuresFile Structures20062006 Page 2 Advanced Data Structuresby Yang-Sae MoonFile Structures File Structures (Ch. 1 in ) (Ch. 2 in ) (Ch. 3 in ) (Ch. 4 in ) , concept (O/S Device Dependent )File Structures2 Page 3 Advanced Data Structuresby Yang-Sae Moon (Information) (Data)File Structures (data) (processing) (information)(Computer)(in disk, tape, ..)DII = P(D)P Object = Variables(Attributes or Data) +Methods(Processing Mechanism)Page 4 Advanced Data Structuresby Yang-Sae Moon (1/2)(1/2) (field), (attribute), (item) ( : , ) (object, entity) (table) attribute (record type) ( ) ( : = { , , , ..}) (record instance) (record) ( : { , 2005012345.)}

3 Page 5 Advanced Data Structures by Yang-Sae Moon 주요용어(2/2) 파일(file) •(보조)기억장치에저장된같은종류의레코드집합(set of records)

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