Oracle Database is a software package created and maintained by Oracle Corporation. Implementation of Oracle real application clusters (RAC) by Oracle DBA on various servers for multiple instances provides improvised performance.
Qualifications Criteria for Oracle DBA:
Oracle Database Administrator (DBA) has to qualify the training course in Oracle DBA with minimum understanding and background depth technical knowledge in computer science or information systems as Oracle is one of the most complex and sophisticated relational databases. It requires many skills learned at the college level to write and execute the commands and programs. To successfully understand the Oracle you should get trained from experts in Oracle and information systems professionals. One should be skilled in using MSSQL Server databases and have the ability to perform technical documentation and presentation professionally.
Exclusive Tips for Interview:
You should possess good communication skills and have the confidence to attend interview meeting all the requirements and skills necessary for Oracle DBA. Answer all the questions clearly without leaving any doubt. While explaining your achievements explain it to the point in the sequence of situation, task, action, and result. You should explain clearly about your past experience when asked by the interviewer. You should express willingness to doing the job.
Oracle DBA interview questions:
Questions related to your strengths, weaknesses and about the changes you may bring at the workplace as an Oracle DBA are asked generally. Following are the frequently asked Oracle DBA interview questions.
- · Why do you want to be an Oracle DBA?
- · How did you get motivated to choose this for your career?
- · What contributions have you made while doing the previous job?
- · What is your long term planning?
- · Which training courses did you complete?
- · Give an overview of Relational Database?
- · How will you work with multiple tables?
- · How do you handle errors while PL/SQL programming?
- · How can the performance be tuned in oracle?
- · How do you backup database offline?
- · Explain about Oracle web cache and how do you start it?
- · Explain in brief about the data types in Oracle.
- · Why did you prefer our company?
- · For how much period would you like to work for us?
·, At last, you are asked to clarify doubts, if any.
Behavior during the Interview:
You should be relaxed and make yourself comfortable throughout the interview. Express your opinion in a polite way and do not argue with the interviewer. Do not reply in a rude or harsh manner. After the interview does not forget to thank the interviewer for their time.
Work of Oracle DBA:
The Oracle DBA has to perform all the necessary activities for projects independently with less supervision. He should be expert and resolve issues of complex database and develop solutions for DBMS tools, backup, and recovery, database performance tuning, etc. He should perform migrations of database, structures, and upgrades. Oracle DBA has to maintain and utilize DBMS related procedures and standards, and know where they are located. New software and DBMS tools are to be researched, evaluated, and tested to function in accordance with the existing DBMS environment and applications. Any improvements in the current DBMS environment and its performance are monitored as per the requirements by Oracle DBA.
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