SQL Advent Challenge 2017: Day 13

Task #13:

By coincidence, all children who sent Santa a letter on December 14th asked for gifts from some categories. Determine names of these categories.

Answer 13 for the Crossword:

Name of one of the categories.

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SQL Advent Challenge 2017: Day 12

  • Randall Hall

    Might these instructions be incorrect? I found out the answer by running the LENGTH clause on the categories that would fit, but then I ran a query to find when that category corresponded to when letters were written and found that none for the category that fits were written on 2017-12-13.