SQL Subquery Exercises: Find the data from the customer table if and only if one or more of the customers in the customer table are located in London
SQL SUBQUERY: Exercise-15 with Solution
15. Write a query to extract the data from the customer table if and only if one or more of the customers in the customer table are located in London.
Sample table: Customer
SELECT customer_id,cust_name, city FROM customer WHERE EXISTS (SELECT * FROM customer WHERE city='London');
Output of the Query:
customer_id cust_name city 3002 Nick Rimando New York 3007 Brad Davis New York 3005 Graham Zusi California 3008 Julian Green London 3004 Fabian Johnson Paris 3009 Geoff Cameron Berlin 3003 Jozy Altidor Moscow 3001 Brad Guzan London
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