1. 4 pillars of OOP (asked me to explain 4 with example, and write code for 2 of them)
2. Exception Handling (OOP)
3. Abstract function
4. ACID Properties (with example) (DBMS)
5. Normalization Techniques (1nf, 2nf, 3nf, bcnf, 4nf) (DBMS)
6. DSA (Searching & Sorting Algorithms)
7. Other Resume based questions