Posts by Luciano Barcaro • 156 points

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  A: Operation of group_concat

  group_concat concatenates a sequence of fields according to its defined query and group. In your example, there is no set group, so it will concatenate all the id table table. The clause limit is…

  mysql sql query group-concat

  answered 8 years, 10 months ago Luciano Barcaro 156