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{{primitive|x key t}}
'''
<pre> t: +`a`b`c!(1 2;3 4;5 6)
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Revision as of 04:43, 9 July 2022
Key
x key t
key is a primitive which creates a keyed table from a normal table, essentially setting one or more columns given in x
as the primary keys of t
.
t: +`a`b`c!(1 2;3 4;5 6) a b c - - - 1 3 5 2 4 6 `a`c key t a c|b - -|- 1 5|3 2 6|4