Oracle sql not in subquery

The operator in SQL is used to exclude a specified set of values in a query, making code more readable and efficient.

It is often combined with , , and statements to filter out rows that match any value in a given list. This operator is a more intuitive alternative to using the or operators combined with

In this article, we will explain how the operator works in SQL, including practical examples and scenarios to help us use it effectively in our queries.

SQL NOT IN Operator

The operator in SQL is used to filter out records that match any value in a specified list.

Oracle sql not include

By simplifying complex conditions, it makes our SQL queries more readable and efficient. Instead of using multiple or conditions combined with , the operator allows for a more concise and clearer approach to data filtering.

Syntax:

SELECT column_name(s)
FROM table_name
WHERE column_name NOT IN (list_of_values);

Let's use a sample table called to demonstrate how the operator functions.

This table contains employee details such as , , , , and . The goal is to show how ca

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