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  Commando's voor het ophalen van informatie

  • SELECT functies
  • Commando's voor het ophalen van informatie
  • Aantal rijen beperken met LIMIT
  • Gegevens sorteren met ORDER BY
  • Acht meest recente bestellingen
  • Groepsfuncties
  • DISTINCT – Unieke waarden
  • COUNT() – Aantal rijen tellen
  • COUNT(DISTINCT) – Unieke waarden tellen
  • MIN() – Laagste waarde
  • MAX() – Hoogste waarde
  • SUM() – Totaal optellen
  • AVG() – Gemiddelde berekenen
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User manual Contact Status Privacy statement Terms and Conditions Your data Publications Dodona 26.08.28-15:57