CHAPTER 6
Application Design Issues
by Riyaj Shamsudeen
Inefficient application design strategy is the root cause of many customer RAC escalations.
Bad design practices causing minor performance issues in a single-instance database are magnified if you convert the database to a RAC database. Failures and cost overruns in many RAC deployment projects can be attributed to application design patterns that are not suitable for RAC. These design flaws are detrimental in single-instance databases, but the harm might be amplified in RAC. For example, poor design of sequence caching will cause only minor performance issues in a single-instance database; ...
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