Consider the following SQL statement:SELECT employee_id FROM employeesUNIONSELECT employee_id FROM former_employees;What does this statement do?
Question
Solution 1
This SQL statement is combining the results of two SELECT queries using the UNION operator.
Here's a step-by-step breakdown:
SELECT employee_id FROM employees: This part of the statement selects theemployee_idfrom theemployeestable. It will return a list ofemployee_ids of current e Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
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Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
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