Posts by imheliomagalhaes • 1 point

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  Q: Select Union same table

  Could anyone help me with this problem? The query below throws the following error: #1054 - Unknown column 'u.idocorrencia' in 'Where clause' SELECT DISTINCT * FROM( (SELECT o.*, u.nome AS…

  mysql where distinct

  asked 8 years, 9 months ago imheliomagalhaes 1