Reference/fkeys

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fkeys (fkeys function)

The function fkeys takes a table as an argument and returns a dictionary that maps foreign key columns to their tables.

Example

q)f:([x:1 2 3]y:10 20 30)
q)t:([]a:`f$2 2 2;b:0;c:`f$1 1 1)
q)meta t
c| t f a
-| -----
a| i f
b| i
c| i f
q)fkeys t
a| f
c| f

See also


For a complete list of functions, see the kdb+ Function Reference.

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