Oracle Performance Tuning Mock Interview
Master 30 Oracle Performance Tuning interview questions covering SQL optimization, indexing strategies, and execution plans.
Question 8 of 30
What are some of the prerequisites needed to use an Oracle database optimizer?
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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
The interviewer continues to ask you different questions about a similar topic, in this case, database optimization. They will often do this if the topic is a specific issue within the organization or they're looking for a solution in this area. Organizations hire individuals who can help them solve problems or optimize their operations. An easy way to remember this is that organizations hire people who can help them make money, save money, or save time.
William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
When you recognize that the interviewer is asking multiple questions about the same topic, it is an indication that they have issues in this area or need to address them by hiring someone in this position. Once you're aware of this, you should expand your answers about the topic to demonstrate your expertise in this area. Hopefully, your research before the interview indicated that this topic was important to the organization, so you've prepared answers to questions you are anticipating.
William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
"Before designating the optimization methodology I will use to tune the Oracle database, I first need to collect some initial information. This includes the stakeholder's objective when using the database and the statistics of a database object. This information enables me to write the init parameter needed to set the optimizer mode."
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