From the following table, write a SQL query to find all those customers whose grade value exists. Return customer_id, cust_name, city, grade,

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From the following table, write a SQL query to find all those customers whose grade value exists. Return customer_id, cust_name, city, grade, salesman_id.

 

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

الأجوبة

SELECT *
FROM customer
WHERE grade IS NOT NULL;
 
Output of the Query:
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
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أسئلة مشابهة

From the following tables, write a SQL query to find those customers where each customer has a grade and served by at least a salesperson
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From the following tables write a SQL query to find those customers whose grade less than 300. Return cust_name, customer city, grade, Salesman, saleman city

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