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Update questions(my answers).sql #88

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19 changes: 19 additions & 0 deletions SQL Deep Dive/Subqueries/questions.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -5,10 +5,29 @@
* Question: Get all orders from customers who live in Ohio (OH), New York (NY) or Oregon (OR) state
* ordered by orderid
*/
SELECT *
FROM orders AS o
WHERE o.customerid IN (
SELECT customerid
FROM customers
WHERE state IN ('OH', 'NY', 'OR')
) ORDER by o.orderid


/*
* DB: Employees
* Table: employees
* Question: Filter employees who have emp_no 110183 as a manager
*/
SELECT emp_no, first_name, last_name
FROM employees
WHERE emp_no IN (
SELECT emp_no
FROM dept_emp
WHERE dept_no = (
SELECT dept_no
FROM dept_manager
WHERE emp_no = 110183
)
)
ORDER BY emp_no