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(TCO 6) Which of the following keywords is used to remove a row in a table?
(TCO 6) When using the ALTER TABLE...DROP COLUMN command, which of the
following is NOT correct?
(TCO 6) Which of the following commands will add a new column named
FIRSTORDERDATE to the CUSTOMERS table to store the date that the customer first
placed an order with the company?
(TCO 8) Which of the following is NOT a valid statement?
(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?
(TCO 8) Which comparison operator evaluates a subquery and if it returns false, will not
execute the calling query?
(TCO 8) The following SQL statement contains which type of subquery?
(TCO 9) If the _________ clause of the UPDATE command is omitted, then all the rows
in the specified table will be changed.
(TCO 9) Which of the following is not a valid SQL command?
(TCO 9) Based on the contents of the PROMOTION table, which of the following
commands will delete only the row for the Free Bookmark from the table?
(TCO 8) In using group functions we cannot place a group function in a WHERE clause.
Explain how the WHERE clause and HAVING clause similar and why you can use the
HAVING with a group function but not a WHERE clause.