Wipro Associate Software Engineer interview questions

What are the three levels of data abstraction in a database management system? ... Explain the DROP, TRUNCATE and DELETE commands in SQL. ... What is the difference between error and exception in Java? ... What is RAID in project management? ... Why would you like to join Wipro?

so first i have taken online test after the test i got email that i am selected for next round and it will be hr round , after clearing hr round there is technical round where interviewer asked programming and data structure questions.