Q:

rom the following tables write a SQL query to find those salespersons do not live in the same city

hamza
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2022-05-18
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From the following tables write a SQL query to find those salespersons do not live in the same city where their customers live and received a commission from the company more than 12%. Return Customer Name, customer city, Salesman, salesman city, commission.

Sample table: customer

customer_id |   cust_name    |    city    | grade | salesman_id 
-------------+----------------+------------+-------+-------------
        3002 | Nick Rimando   | New York   |   100 |        5001
        3007 | Brad Davis     | New York   |   200 |        5001
        3005 | Graham Zusi    | California |   200 |        5002
        3008 | Julian Green   | London     |   300 |        5002
        3004 | Fabian Johnson | Paris      |   300 |        5006
        3009 | Geoff Cameron  | Berlin     |   100 |        5003
        3003 | Jozy Altidor   | Moscow     |   200 |        5007
        3001 | Brad Guzan     | London     |       |        5005

Sample table: salesman

 

 salesman_id |    name    |   city   | commission 
-------------+------------+----------+------------
        5001 | James Hoog | New York |       0.15
        5002 | Nail Knite | Paris    |       0.13
        5005 | Pit Alex   | London   |       0.11
        5006 | Mc Lyon    | Paris    |       0.14
        5007 | Paul Adam  | Rome     |       0.13
        5003 | Lauson Hen | San Jose |       0.12
 
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hamza
2022-05-18
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SELECT a.cust_name AS "Customer Name", 
a.city, b.name AS "Salesman", b.city,b.commission  
FROM customer a  
INNER JOIN salesman b  
ON a.salesman_id=b.salesman_id 
WHERE b.commission>.12 
AND a.city<>b.city;

Output of the Query:

Customer Name	city		Salesman	city	commission
Graham Zusi	California	Nail Knite	Paris	0.13
Julian Green	London		Nail Knite	Paris	0.13
Jozy Altidor	Moscow		Paul Adam	Rome	0.13

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