What Does the Following SQL Query Do? SELECT INVOICE_NUM FROM INVOICE_LINE

question 29

Multiple Choice

What does the following SQL query do? SELECT INVOICE_NUM FROM INVOICE_LINE WHERE PROD_CODE IN (SELECT PROD_CODE FROM PRODUCTS WHERE (PROD_TYPE = 'Cupcake') ) ;

• A) cause an error because it includes more than one SELECT command
• B) lists all rows from the invoice line table that contain a "Cupcake" type product
• C) lists the invoice numbers for invoices containing line items with a "Cupcake" product type
• D) lists the product codes for all "Cupcake" type products that appear on invoices

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