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File Storage Devices
Record Structure and Design
5 other sections not shown
additional algorithm application attribute value B-tree Balanced Merge blocksize Bloggs Ltd Splash bytes cards characters compression corresponding data blocks data compression data records deleted Derry Plunge direct files disc accesses distribution double buffering duplicated encoding entity records external sorting file structure file update hashing function home block Huffman code index blocks index entry indexed non-sequential file individual records initial runs integer interblock gaps internal storage inverted file inverted index inverted lists key set keyfound KWIC KWOC list length magnetic tape maintenance master file multilist file node ordered sequential file output file overflow blocks overflow records overhead performance permit phase pointer Polyphase merge possible primary key query queryable attributes record structure reduce the number retrieval RORO rotational delay search key secondary key selection sort sequence shown in Figure SIHS single record sorting methods storage devices stored track tree update file update records Woundwort