Oracle DBA Interview Questions
100+ L1, L2, L3, Architecture & Managerial Questions
Prepare for Oracle DBA interviews with practical, scenario-based questions, production
troubleshooting, Oracle commands, real-world examples, and interviewer follow-up questions.
Browes Questions by Level
L1 – Basic
100 Questions
Basic concepts, installation, startup & shutdown, database structures, users, tablespaces, listeners and more.
Explore L1 Questions →
L2 – Intermediate
100 Questions
Backup & recovery, RMAN, tablespace management, performance monitoring, errors, and troubleshooting.
Explore L2 Questions →
L3 – Intermediate
100 Questions
Performance tuning, wait events, RAC, Data Guard, GoldenGate, advanced troubleshooting, and real production issues.
Explore L3 Questions →
Architecture
100 Questions
Oracle Database Architecture, RAC Architecture, Data Guard Architecture & Design, Golden Gate Architecture & Design, ASM, HA/DR, Backup Architecture, Migration, and Capacity Planning.
Explore Architecture Questions →
Managerial
100 Questions
Leadership, Incident Management, Change Management, Team Handling, Best Practices, and Decision-Making.
Explore Managerial Questions →
Latest Oracle DBA Interview Questions
1. A user cannot connect to an Oracle database. How would you troubleshoot the issue?
View Answer →
2. What is the difference between DELETE, TRUNCATE, and DROP in Oracle?
View Answer →
3. How would you check the status of an Oracle listener?
View Answer →
4. Explain the Oracle database startup phases.
View Answer →
5. How do you identify invalid objects in an Oracle database?
View Answer →