TCS Oracle Application Database Administrator Interview Questions and Answers

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

Database architecture refers to the design and structure of a database system.

• Database architecture includes the organization of data, storage, retrieval, and security mechanisms.

• It involves defining the relationships between data elements and how they are stored and accessed.

• Examples of database architectures include hierarchical, network, relational, and object-oriented.

• Database architecture also includes the choice ...read more

Delete removes rows one by one, while truncate removes all rows at once.

• Delete is a DML command, while truncate is a DDL command.

• Delete can be rolled back, while truncate cannot be rolled back.

• Delete fires triggers, while truncate does not fire triggers.

• Delete is slower as it logs individual row deletions, while truncate is faster as it logs the deallocation of the data pages.

• Example: DELETE FROM table_name WHERE condi

SQL architecture refers to the structure and components of a SQL database system.

• SQL architecture includes components like storage engine, query processor, and buffer manager.

• The storage engine manages data storage and retrieval, while the query processor processes SQL queries.

• The buffer manager handles caching and memory management to optimize performance.

• Examples of SQL architectures include MySQL, Oracle, and SQL Se

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)