Posts by Raphael Moraes • 13 points

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  Q: nullException when setting database data as parameter

  I am trying to bring the database data with this method of my DAO class: public List<Transacoes> listDBPF(){ Connection con = new ConnectionFactory().getConnection(); ResultSet res;…

  java nullpointerexception

  asked 7 years, 1 month ago Raphael Moraes 13

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  1

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  Q: Relationship in database table

  I have a registration form where contains personal information, professionals, additional, financial and production, my doubt, as it gives many columns, I believe that more than 50 fields. Is it…

  sql database modeling relationship

  asked 7 years, 10 months ago Raphael Moraes 13