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REQUIREMENT_ID_200 β€’ 3-DAY_ACTIVE_POLICY

Database Administrator / PLSQL Developer

Company
Company Gevernova
Type
Opportunity Type Internship
Salary
Stipend / Salary 4-6 LPA
Location
Location Bangalore, India
Posted Date
Posted Date Yesterday
PostgreSQL RDS PL/SQL SQL Database Performance Tuning Backup & Recovery Data Migration Scripting (Python/Bash) Linux Version Control (Git)
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Aptitude Practice Questions Open Resource β†—
Helps you sharpen quantitative and logical reasoning skills required for the online test at Gvernova.
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Company Interview Preparation Guide Open Resource β†—
Provides insights into typical interview patterns and sample questions for database roles at tech firms like Gvernova.
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Comprehensive Interview Prep Resource Open Resource β†—
Covers a wide range of topics including SQL, PL/SQL, and system design, useful for Gvernova's technical rounds.
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Algorithm & Data Structure Problem Set Open Resource β†—
Offers coding practice to improve problem‑solving speed, essential for the aptitude and technical assessments.

B.E/B.Tech or B.Sc in Computer Science, Information Technology, Electronics & Communication or related streams; minimum 60% aggregate (or CGPA 6.0/10); graduating batch 2026; maximum 2 backlogs allowed; strong fundamentals in databases and programming.

1
Round 1: Online aptitude & technical test
2
Round 2: Technical interview (DB design, SQL/PLSQL problems)
3
Round 3: HR interview (fitment, communication, career goals)
Gvernova is a fast‑growing technology services firm headquartered in Bangalore, catering to clients across banking, fintech, and enterprise domains. The company focuses on building robust digital platforms, leveraging cloud‑native architectures and data‑intensive solutions. With a strong emphasis on innovation, Gvernova invests heavily in up‑skilling its talent pool, encouraging a culture of continuous learning and collaboration. Employees enjoy exposure to cutting‑edge projects, mentorship from seasoned engineers, and a clear path for career progression. The role of a Database Administrator / PL/SQL Developer at Gvernova is pivotal to the stability and performance of mission‑critical applications. As a fresher, you will be mentored by senior DBAs and will quickly take ownership of database design, migration, and optimisation tasks. You will work closely with application developers, data engineers, and product managers to ensure that data flows securely, efficiently, and reliably across the ecosystem. Key Responsibilities: 1. Manage PostgreSQL RDS instances – provisioning, configuration, and routine maintenance. 2. Create and modify database objects such as tables, indexes, views, partitions, and schemas. 3. Monitor performance metrics and apply tuning techniques, including indexing and query optimisation. 4. Design and execute backup, restore, and disaster‑recovery strategies to guarantee data integrity. 5. Develop PL/SQL scripts, stored procedures, functions, and triggers to support application logic. 6. Write, review, and optimise complex SQL queries for reporting and data‑extraction needs. 7. Lead large‑scale data migration projects, crafting scripts that move high‑volume data across multiple databases or schemas. 8. Troubleshoot and resolve database‑related incidents, collaborating with developers when needed. 9. Maintain comprehensive documentation of database architecture, operational procedures, and migration plans. 10. Continuously monitor resource utilisation (CPU, memory, disk) and recommend capacity‑planning actions. Tech Stack: PostgreSQL (RDS), PL/SQL, SQL Server (basic exposure), Linux/Unix, AWS services, Python/ Bash scripting for automation, Git for version control. Growth Path: Starting as an Associate DBA, you can progress to Senior DBA, Database Architect, or move into Data Engineering and Cloud Solutions roles. Gvernova encourages internal mobility, offering certifications and training programs to accelerate your growth. Why Join Gvernova? You will be part of a vibrant team that values technical excellence and personal development. The company offers competitive compensation, flexible work‑from‑office policies, and a supportive environment where fresh ideas are welcomed. Exposure to real‑world, high‑scale data challenges will fast‑track your expertise in modern database technologies.

Gevernova β€” Data Analytics & SQL Interview Guide

Previously asked questions, exam syllabus, coding benchmarks & round strategy.

APTITUDE & LOGIC πŸ“–
Aptitude Practice Questions & Online Mock Tests

Curated logical, quantitative, and verbal reasoning problems to sharpen reasoning skills required for the initial screening test.

Open Resource β†—
COMPANY GUIDE 🎯
Gevernova Interview Preparation Corner

Comprehensive guide covering typical interview formats, common questions, and preparation tips for Gevernova and off-campus tech roles.

Open Resource β†—
MOCK TESTS & PAPERS πŸ“
Comprehensive Interview Prep Resources & Syllabus

Collection of previous year questions, company-specific test patterns, and interview experiences for technical and HR rounds.

Open Resource β†—
CODING PRACTICE πŸ’»
Algorithm and Data Structure Problem Set

Practice problems to improve coding proficiency and algorithm problem-solving speed for technical rounds.

Open Resource β†—
Round 1: Online Assessment (OA)
Aptitude, Quantitative Logic & 2 Coding Problems
Focus on accuracy and speed. Practice arrays, strings, and standard arithmetic puzzles.
Round 2: Technical Interview 1
Core Tech Stack (PostgreSQL, RDS, PL/SQL, SQL, Database Performance Tuning, Backup & Recovery, Data Migration, Scripting (Python/Bash), Linux, Version Control (Git)) & Live Code Tracing
Explain your thought process aloud. Analyze time & space complexities before coding.
Round 3: System Design & Problem Solving
Database Schemas, APIs & Architecture Basics
Clarify edge cases, diagram schemas cleanly, and discuss scalability trade-offs.
Round 4: HR & Cultural Fit Discussion
Gevernova Core Values, Learning Agility & Offer Terms
Demonstrate passion, strong communication, and readiness for full-time collaboration.
What is the difference between WHERE and HAVING clauses in SQL? Answer β–Ό
Model Answer: WHERE filters rows before any groupings are applied, while HAVING filters aggregated groups after GROUP BY has executed.
Explain SQL Window functions: ROW_NUMBER(), RANK(), and DENSE_RANK(). Answer β–Ό
Model Answer: ROW_NUMBER() assigns unique sequential integers. RANK() assigns identical ranks to ties and skips ranks. DENSE_RANK() assigns identical ranks to ties without skipping rank numbers.
How do you handle NULL and missing values during data cleaning in Python/Pandas? Answer β–Ό
Model Answer: Use .isna().sum() to identify missing values. Impute with mean/median using .fillna() or remove with .dropna(subset=[...]) depending on variance impact.
What is the difference between Star Schema and Snowflake Schema in Data Warehousing? Answer β–Ό
Model Answer: Star Schema has denormalized dimension tables directly connected to the central Fact table. Snowflake Schema normalizes dimension tables into sub-dimensions to minimize redundancy.
How do you calculate MoM (Month-over-Month) growth in SQL? Answer β–Ό
Model Answer: Use LAG(revenue, 1) OVER (ORDER BY month) to fetch the previous month's revenue and compute (revenue - prev_revenue) / prev_revenue * 100.
Why do you want to join Gevernova as a Database Administrator / PLSQL Developer?
Preparation Tip: Highlight Gevernova's market reputation, recent tech innovations, and how your skills in PostgreSQL directly solve their team's objectives.
Describe a challenging bug or academic project roadblock and how you resolved it.
Preparation Tip: Use the STAR method: Situation (project context), Task (what needed solving), Action (specific tools/logic applied), Result (quantifiable positive outcome).
How do you handle strict deadlines or sudden scope changes?
Preparation Tip: Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.

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