Question: Which of the following SQL statements isnt valid? a. SELECT address || city || state || zip Address FROM customers WHERE lastname='SMITH'; b. SELECT *

Which of the following SQL statements isn’t valid?

a. SELECT address || city || state || zip "Address" FROM customers WHERE lastname='SMITH';

b. SELECT * FROM publisher ORDER BY contact;

c. SELECT address, city, state, zip FROM customers WHERE lastname= "SMITH";

d. All the above statements are valid and return the expected results.

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