Virtusa 1st round
1.tell about urself
2.roles and responsibilities in Ur project
3.what is different between sql and plsql
4.write syntax for cursor.
5.write plsql block
6.what is trigger 
7.what is collection
8.write query for procedure with two input and one output and  exception block
9.how trigger enable write syntax
10.performance tunning
11.how to see the which index created on that particular column
12.how to see the column data type and its length
13.what is varray