sortkeyとは 意味・読み方・使い方

名詞

sortkey (複数形 sortkeys)

1. (computing) A key (field または value) by which data items are sorted.
   • 1973, Generalized Data Base Management Systems, page 257:

     Output conversion routines may be applied to sortkey items before they are sorted.

   • 1975, Network, Library and Information Science Division of the World Information Systems Exchange, page 15:

     Sortkeys are made by picking out delimiting characters and special signs.

   • 1985, Dagobert Soergel, Organizing Information: Principles of Data Base and Retrieval Systems (Library かつ Information Science Series), Academic Press, →ISBN, page 200:

     In data-processing terminology, descriptors by which a file is ordered are called sortkeys. (Likewise, descriptors used in searching are called search keys.) A library catalog may be arranged by sortkey 1: author, and sortkey 2: title.