unpack(redirected from unpackers)
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To recover the individual data items contained in packed data.
More specifically, to convert a packed decimal number into individual digits (and sometimes a sign).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
pack(1) To compress data in order to save space. Unpack refers to decompressing data. See data compression.
(2) An instruction that converts a decimal number into a packed decimal format. Unpack converts a packed decimal number into decimal.
(3) In database programs, a command that removes records that have been marked for deletion.
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