Tech Mahindra Oracle Database Administrator Interview Questions and Answers

Q1. What is dba, explain the architecture of dba
Ans. 
DBA stands for Database Administrator. The architecture of DBA involves managing and maintaining databases to ensure data integrity and security.
• DBA is responsible for installing, configuring, and upgrading database software.

• They monitor database performance and troubleshoot issues.

• DBA designs and implements backup and recovery strategies to prevent data loss.

• They also manage user access and security permissions within...read more
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Q2. How you will maintain the database and what are the types of backup
Ans. 
Maintaining the database involves regular monitoring, performance tuning, applying patches, and ensuring backups are taken regularly.
• Regularly monitor database performance and usage

• Perform routine maintenance tasks such as applying patches and updates

• Take regular backups to ensure data integrity and disaster recovery

• Implement security measures to protect the database from unauthorized access

• Optimize database performanc
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Q1. How do you set up ha and Dr in your environment?
Ans. 
Setting up HA and DR involves configuring high availability and disaster recovery solutions to ensure data availability and continuity.
• Implementing clustering and failover mechanisms for high availability

• Setting up replication and backup strategies for disaster recovery

• Testing failover and disaster recovery procedures regularly

• Utilizing technologies like Oracle Data Guard for DR solutions
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Q1. Dataguard architecture
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Q2. Rman backup and restoration
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Q1. Why you join inm
Ans. 
I joined inm because of the company's reputation for innovation and growth in the tech industry.
• Attracted to company's reputation for innovation

• Excited about opportunities for growth in tech industry

• Impressed by company culture and values
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Q1. Database restore and recovery
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Q1. Why this company
Ans. 
I am impressed by the company's innovative technology solutions and strong reputation in the industry.
• The company has a track record of developing cutting-edge technology solutions.

• I admire the company's commitment to excellence and continuous improvement.

• The company's reputation for providing top-notch training and development opportunities is appealing to me.
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Q2. What salary do you expect
Ans. 
I expect a competitive salary based on my experience, skills, and the market rate for Oracle Database Administrators.
• Research the average salary range for Oracle Database Administrators in your area

• Consider your level of experience and skills when determining your salary expectations

• Be prepared to negotiate based on the specific responsibilities and benefits offered by the employer
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Problem solving based question

Q1. Basic on location shift jobs etc
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Q1. Networking database Linux windows
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Q1. Tell about yourself
Ans. 
Experienced Oracle DBA with 5+ years of hands-on experience in managing databases, optimizing performance, and ensuring data security.
• 5+ years of experience as an Oracle DBA

• Proficient in database management, performance optimization, and data security

• Skilled in troubleshooting and resolving database issues

• Strong knowledge of Oracle database architecture and SQL

• Certified Oracle Database Administrator (OCA/OCP)
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