Infosys Lead Oracle Application DBA Interview Questions and Answers

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

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

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.

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

An interface acts as a bridge between two systems, allowing them to communicate and exchange data.

• Interfaces define a set of methods that a class must implement.

• They provide a way for different systems to interact with each other.

• Interfaces can be used to achieve abstraction and polymorphism in programming.

• Example: JDBC (Java Database Connectivity) provides an interface for connecting Java applications to databases.

HCM Extract is a tool in Oracle HCM Cloud that allows users to extract and transfer data from the system.

• HCM Extracts are used to extract data from Oracle HCM Cloud for reporting, analysis, or integration purposes.

• Users can define the data to be extracted, the format of the output, and the delivery method.

• HCM Extracts can be scheduled to run at specific times or triggered based on certain events.

• Extracted data can be t...read more

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)

A cursor is a database object used to manipulate data in a result set.

• A cursor is used to retrieve and manipulate data row by row.

• Types of cursors include implicit, explicit, and forward-only cursors.

• Implicit cursors are automatically created by Oracle when executing a SQL statement.

• Explicit cursors are created by the developer and allow for more control over the result set.

• Forward-only cursors only allow for iterating