Posts by Tiago Queirós • 1 point

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  Q: SQL-Count for each id

  I want to show all student table records - name and number - and then in the right column, show attendance percentage. Let’s see: SELECT nome, numero, ( ( SELECT COUNT(aluno.numero) FROM aluno JOIN…

  sql count

  asked 8 years, 4 months ago Tiago Queirós 1