Are you a fresher looking for an Oracle DBA job? You're at the right place. We are here to help you with the common Oracle DBA interview questions. Find the right answers for the top Oracle DBA Interview questions. This would help to land Oracle jobs in california. Look at the list of common ORAcle DBA interview questions and answers.
What Is Database Normalization?
It is a set rule followed to remove the relational database’s redundancy and dependency. Some of the commonly followed normalization forms are First normal form, Second Normal Form, Third Normal Form, Boyce-Codd Normal Form, Fourth and fifth normal form.
Other Interview Questions
What is table partitioning? This is done to make data retrieval simple. It is done by sharing a table among smaller chunks.
What is row chaining? This concept comes into the picture when a row is too long.
What is a recovery catalog? It holds the metadata of RMAN. This can be used for restoration and data recovery.
Where To Perform tuning? To improve the efficiency of a database, tuning can be done in database design, Disk I/O, OS level, memory allocation.
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