Adobe Interview Questions (12+ Questions)

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Understanding the Question

Objective

The goal is to write an SQL query to retrieve and display a list of employees who earn more than $50,000. For each employee that meets the specified salary condition, the output should include several details: employee ID, first name, last name, job title, hire date, and the name of their department. If an employee does not belong to any department, the department name should be presented as NULL. Furthermore, the employees should be listed in descending order based on their hire date, showcasing the most recently hired employees first.

Additional Information

Tables:

• employees table:

  • employee_id (Integer): Unique identifier for each employee.
  • first_name (String): Employee's first name.
  • last_name (String): Employee's last name.
  • department_id (Integer): Identifier for the department to which the employee belongs (can be NULL).
  • job_title (String): The title of the employee's job.
  • salary (Integer): The employee's salary.
  • hire_date (Date): The date the employee was hired.

• departments table:

  • department_id (Integer): Unique identifier for each department.
  • department_name (String): The name of the department.
  • location (String): The location of the department.

Requirements

• Use a LEFT JOIN to merge the employees and departments tables on the department_id.
• Filter to only include employees with a salary greater than 50000.
• Display department_name as NULL for employees who are not assigned to any department.
• Order the results by hire_date in descending order.

Example

Input:

• employees table:

  employee_id	first_name	last_name	department_id	job_title	salary	hire_date
  1	John	Smith	1	Senior Developer	85000	2020-01-15
  2	Mary	Johnson	2	Project Manager	75000	2021-03-20
  3	Peter	Brown	NULL	Consultant	65000	2022-06-10
  4	Sarah	Davis	1	Developer	45000	2021-09-01

• departments table:

  department_id	department_name	location
  1	Engineering	New York
  2	Project Management	Boston
  3	Marketing	Chicago

Expected Output:

SQL Query:

SELECT
    e.employee_id,
    e.first_name,
    e.last_name,
    d.department_name,
    e.job_title,
    e.hire_date
FROM
    employees e
LEFT JOIN
    departments d ON e.department_id = d.department_id
WHERE
    e.salary > 50000
ORDER BY
    e.hire_date DESC;

Objective

Write an SQL query that identifies pairs of users who share the same email address. Each pair should be listed with the email address and the names of the two users, sorted by email. Ensure that each pair is listed only once, with the user having the smaller ID appearing first.

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Practice custom aggregations in PySpark. Learn how to join tables, group by categories, and apply specific mathematical formulas combining sum and count to calculate average mortgage rates.

How to Find the Hour with the Highest Sales Using SQL

When preparing for an SQL interview, it helps to master queries that analyze and summarize data efficiently. One common scenario is identifying the peak sales hour, a problem you might encounter during the interview, structured as follows:

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Master checkbox interaction automation with Selenium. Learn state management and dynamic element validation testing....

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