Oracle SQL Question:
Download Job Interview Questions and Answers PDF
Explain Which is more faster - IN or EXISTS?
Answer:
EXISTS is faster than IN
Because exists returns Boolean value whereas IN returns only value.
Because exists returns Boolean value whereas IN returns only value.
Download SQL Oracle Interview Questions And Answers
PDF
Previous Question | Next Question |
Explain What is an UTL_FILE.What are different procedures and functions associated with it? | How to find out nth highest salary from emp table? |