Posts by dh117 • 11 points

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  A: Search for lower values of one field according to values of another

  The grouping, unifies in a row the records with the same value(s) defined(s) in the GROUP BY declaration. When Mysql does this, it maintains the first record. Imagine that he holds the first record…

  mysql sql database select-sql group-by

  answered 5 years, 9 months ago dh117 11