A string literal must be enclosed in single quotation marks ("') double quotation marks (" ") asterisks (**) percent signs ( %%) Structure of the ORDERS table Which of the following is a valid SELECT statement? SELECT order\#, || ' was shipped on ' || shipdate; SELECT order\# || ' was shipped on ' || shipdate; SELECT order\# || " was shipped on " || shipdate; none of the above Contents of the PUBLISHER table Based upon the contents of the PUBLISHER table, which of the following SELECT statements will display the publisher's name first in the results? SELECT pubid, contact FROM publisher; SELECT name, publisherID FROM publishers; none of the above