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Examine the description of the PRODUCT_ STATUS table: The STATUS column contains the values IN STOCK or OUT OF STocK for each row. Which two queries will execute successfully?
Correct Answer: D
The || operator is used in Oracle SQL to concatenate strings, and the q quote operator allows you to use alternative quoting mechanisms to avoid conflicts with single quotes within a string. In options A, B, C, D, E, and F, the q-quote operator is used in different ways to define string literals. The correct use of the q quote operator requires the format q'[...]', where [...] is the quote delimiter of your choice and can be any single character such as {, [, (, <, or others. Option D is the correct answer because it follows the correct syntax for the q quote operator and concatenates the literal string correctly with the value of PROD_ID. Here is the corrected syntax from option D: SELECT PROD_ID || q'[('s not available)]' "CURRENT AVAILABILITY" FROM product_status WHERE status = 'OUT OF STOCK'; This query will execute successfully and is the only one that correctly uses the q quote operator.