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MathGroup Archive 2007

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Database like "left join" or SAS like Merge function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg83569] Database like "left join" or SAS like Merge function
  • From: Peter <pjcrosbie at gmail.com>
  • Date: Fri, 23 Nov 2007 05:31:17 -0500 (EST)

Is there a builtin function that can "join" (merge) two two-
dimensional data lists based on a single or multiple key column?

This seems like such a basic requirement that I feel like I must be
missing something obvious.

Thanks, Peter


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