what is not operator in sql code example

Example 1: sql not

Returns true if a record DOESN’T meet the condition.
Example: Returns true if the user’s first_name doesn’t end with ‘son’.
SELECT * FROM users
WHERE first_name NOT LIKE '%son';

Example 2: what is not operator in sql

(NOT) operator excluding given
For example:
Select last_name, job_id From Employees
Where "Not" job_id = 'ABC';

Example 3: is not sql

(NOT) operator excluding given
For example:
Select last_name, job_id From Employees
Where "Not" job_id = 'ABC';