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Cost-Based Oracle Fundamentals

The question, "Why isn't Oracle using my index?" must be one of the most popular (or perhaps unpopular) questions ever asked on the Oracle help forums. You've picked exactly the right columns, you've got them in the ideal order, you've computed statistics, you've c...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Lewis, Jonathan (Autor)
Autor Corporativo: SpringerLink (Online service)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Berkeley, CA : Apress : Imprint: Apress, 2006.
Edición:1st ed. 2006.
Temas:
Acceso en línea:Texto Completo
Tabla de Contenidos:
  • What Do You Mean by Cost?
  • Tablescans
  • Single Table Selectivity
  • Simple B-tree Access
  • The Clustering Factor
  • Selectivity Issues
  • Histograms
  • Bitmap Indexes
  • Query Transformation
  • Join Cardinality
  • Nested Loops
  • Hash Joins
  • Sorting and Merge Joins
  • The 10053 Trace File.