View the Exhibit and examine the description of the tables. You execute this SQL statement: Which three statements are true?

Question

Options

• AThe statement will fall if a row already exists in the sales table for product 23.
• BThe sales table has five foreign keys.
• CA product can have a different unit price at different times.
• DA customer can exist in many countries.
• EThe statement will execute successfully and a new row will be inserted into the sales table.
• FThe statement will fail because a subquery may not be contained in a values clause.

• A
  7% (2)
• B
  71% (20)
• D
  18% (5)
• F
  4% (1)

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