Explain why the Oracle Cost Based Optimizer chooses the execution plans for SQL and explain the different options used and what their impact is on performance?
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Describe practically SQL Server DR setup
Do you know the standard RAID levels?
The process itself was thorough and included multiple stages: a Cognitive Aptitude Test, English Proficiency Test, skills assessments and an interview. The interview itself is very casual and just questions about your past work experience. Not very technical on my case
do you know RAC
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