SQL and PL/SQL by Example

  • Ignatius Fernandez


All database activity is conducted in SQL, and therefore database administrators need to be intimately familiar with it. Figure 2-1 illustrates that the greatest potential for performance improvement usually lies within the software application, not within the database where the application stores its data or within the physical infrastructure where the database is housed.


Data Item Database Administrator Query Plan Relational Principle Oracle Database 

Copyright information

© Ignatius Fernandez 2015

Authors and Affiliations

  • Ignatius Fernandez
    • 1
  1. 1.CAUS

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