• kdb+

  {$["j";x in V]'[x;"_"]} / Case

  Posted by kdb_newbie on February 19, 2023 at 12:00 am

  https://code.kx.com/q/learn/reading/strings/#c_ns_n_nts

  {$[“j”;x in V]'[x;”_”]} / Case

  May I ask how does each both work here please?

  kdb_newbie replied 8 months, 2 weeks ago 2 Members · 1 Reply
• 1 Reply

• 

  roryk

  Member

  February 19, 2023 at 12:00 am

  As the comment says, this is case, https://code.kx.com/q/ref/maps/#case

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