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Question 1 . ( TCO 6 ) Which of the following keywords can be used to change the size , datatype , or default value of an existing column ?

Question 2 . ( TCO 9 ) If the _____ clause of the UPDATE command is omitted , then all the rows in the specified table will be changed .

Question 3 . ( TCO 6 ) Which of the following commands will increase the size of the CITY column in the CUSTOMERS table from 12 to 20 and increase size of the LASTNAME column from 10 to 14 ?

Question 4 . ( TCO 8 ) Based upon the contents of the BOOKS table shown below , which of the following SQL statements will return the number of different categories contained in the table ?

Question 5 . valid SQL command ?

( TCO 9 ) Which of the following is not a

Question 6 . ( TCO 8 ) Based on the contents of the BOOKS table shown below , which of the following SQL statements will return the total profit generated by books in the COOKING category ?

Question 7 . ( TCO 8 ) Before the COMMIT command is used , you can retrieve deleted records by using the _____ command .