ORACLE DATABASE INTERVIEW QUESTIONS

What is the purpose of the <> or != operators in SQL?

How do you use the <> operator to filter rows in Oracle?

Can you use the != operator with character data in Oracle? Provide an example?

How does Oracle handle NULL values when using the <> or != operators?

How do you combine the <> or != operators with other conditions using AND and OR?

Can you use the <> or != operators with date values in Oracle? Provide an example.

How do you optimize queries that use the <> or != operators in Oracle?

How do you use the <> or != operators with subqueries in Oracle?

How do you handle complex conditions involving <> or != with other logical operators in Oracle?

Explain a scenario where you need to use the <> or != operators and how you would implement it in Oracle.