How will you differentiate between varchar & varchar2?
What are the set operators union, union all, minus & intersect meant to do?
What is a nvl function? How can it be used?
What is the use of aggregate functions in oracle?
What do you mean by a database transaction & what all tcl statements are available in oracle?
What is a data dictionary and how can it be created?
Why do we need integrity constraints in a database?
Write a trigger example in oracle?
Explain the difference between sql and oracle?
Please explain oracle left join with an example?
Explain the truncate in oracle?
How to execute the package in oracle?
Explain oracle insert into command?
Explain the difference between replace() and translate() functions in oracle?
Explain the features of oracle?