Introduction
When you hear or read about PL/SQL performance tuning, be aware that very often people mean something completely different from what you imagine: It is not just about the PL/SQL code itself! The real topic is significantly wider: People would like to optimize the Oracle database by using PL/SQL as the “glue” to piece together all of the available elements and technologies (including SQL, XML, Java, and so forth).
The collaborative nature of PL/SQL to a great extent defines the structure of this book. Part I (Chapters 1–3) starts with the “big picture” and filters down to the real code detail. The holistic approach to system tuning, ...
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