MySQL Performance Blog » INSERT ON DUPLICATE KEY UPDATE and summary counters. - The Diigo Meta page

• 15 Jul 10
  

  Pierre Tisserant

  MySQL performance insert update wk

• 16 Jul 08
  

  Spiral Funk

  sql article

  • INSERT ... ON DUPLICATE KEY UPDATE is very powerful but often forgotten MySQL feature. It was introduced in MySQL 4.1 but I still constantly see people unaware of it.
• 14 Jun 07
  

  Ken Wei
  • 30% speedup should be typical. Performance increase is not the only benefit - what is even more important the application code becomes simplier - less error prone and easy to read.
• 25 Apr 07
  

  INSERT ... ON DUPLICATE KEY UPDATE is very powerful but often forgotten MySQL feature.

  mysql performance duplicate_key update insert

• 22 Jun 06
  

  MySQL Performance Blog » INSERT ON DUPLICATE KEY UPDATE and summary counters.

  mysql tips programming database performance code

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