ORACLE DATABASE INTERVIEW QUESTIONS

What is the purpose of the NOT IN operator in SQL?

How do you use the NOT IN operator to exclude rows in Oracle?

Can you use the NOT IN operator with character data? Provide an example.?

How does the NOT IN operator handle NULL values in Oracle?

How do you use the NOT IN operator with subqueries in Oracle?

What is the difference between NOT IN and NOT EXISTS in Oracle?

How do you optimize queries that use the NOT IN operator in Oracle?

How do you handle large lists with the NOT IN operator in Oracle?

How do you combine the NOT IN operator with other conditions using AND and OR?

Explain a scenario where you need to use the NOT IN operator and how you would implement it in Oracle?