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(b) The following code creates a view in SQL: CREATE VIEW MyView AS SELECT S1.StoreCode, S1. StoreName, S1. Branch FROM Stores S1 WHERE $1. StoreCode
(b) The following code creates a view in SQL: CREATE VIEW MyView AS SELECT S1.StoreCode, S1. StoreName, S1. Branch FROM Stores S1 WHERE $1. StoreCode NOT IN (SELECT * FROM Stores S2 WHERE S2.Branch = 'London'>> WITH CHECK OPTION; What is a view, what does the above view do and what do we obtain as results when we perform the following? SELECT COUNT(*) FROM MyView WHERE Branch = 'Cardiff"; INSERT INTO My View VALUES ('S100', 'SuperStore', 'London'); [6]
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