80. Finding Maximum Values

This advanced SQL exercise is part of the book: Advanced SQL – Practical Techniques and Use-Cases, which includes 100 day-to-day SQL challenges (and solutions), need-to-know advanced features, and key concepts.

Given a table that contains the following numbers (each column indicates a digit):

  • 1003,1102,1094,1300
  • 2009,2104,2200,2401

(digit1 int,
digit2 int,
digit3 int,
digit4 int)

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