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Need some help in figuring this out. Thank you! 1) Write a query to return the department number and the total number of employees (in

Need some help in figuring this out. Thank you!

1) Write a query to return the department number and the total number of employees (in the associated department) whose makes more than $3,000.

2) Repeat step 1, and filter the results so that returns only department number with more than 2 employees who earns more than $3,000.

3) Repeat step 2 and sort the result by department number.

4) Write a query to transform department's name from multiple rows based on zip codes into a single list of values separated by a pipe delimiter (|)

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