Wipro Database Architect Interview Questions and Answers

Q1. Questions related to the current and past projects.
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Q2. Aws related questions.
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Q3. Data warehousing basics
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Q1. Explain about the roles and responsibilities.
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Q2. Discussion about the role in Genpact.
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Q1. Asked about expectated salary
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Q2. Why are you switching
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Q1. Data Modeling Concepts, SQL Query
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Q2. Data Governance, Data Lineage, ETL process,
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SQL Scripts to write and also also asked to design an data model of my choice in Telecom Domain

Q1. What is database architecture?
Ans. 
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
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Q2. Difference between delete and truncate
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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
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Q1. How would you monitor a db performance with OEM AWR report?
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Monitoring db performance using OEM AWR report
• Access OEM console and navigate to Performance tab

• Select AWR report option to generate a report

• Analyze the report for key performance metrics like CPU usage, memory utilization, I/O stats

• Identify any performance bottlenecks and take necessary actions to optimize db performance
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Q1. Why this company
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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
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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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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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Q1. About oracle database functionality
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Q1. Salary discussion
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Q1. Sql questions based on fundamental
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