Sha256: 60c673a64ffc1d47f65a051545f5d35a7e49e37c6f935d65b798e198c9fa7ee9
Contents?: true
Size: 524 Bytes
Versions: 9
Compression:
Stored size: 524 Bytes
Contents
Relational grouping (relation-valued attributes)
SYNOPSIS
#(signature)
OPTIONS
#(summarized_options)
DESCRIPTION
This operator groups attributes in ATTRIBUTES as a new, relation-valued
attribute named AS.
With the allbut option, it groups all attributes not specified in ATTRIBUTES
instead.
EXAMPLE
# Group pid and qty as a relation-valued attribute names supplying
!(alf group supplies -- pid qty -- supplying)
# Group all but pid ...
!(alf group supplies --allbut -- pid -- supplying)
Version data entries
9 entries across 9 versions & 2 rubygems