LFCS Question #119: Real Exam Question with Answer & Explanation

Question

Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?

Options

• ASELECT order_type,COUNT(*) FROM orders WHERE order_type=order_type;
• BSELECT order_type,COUNT(*) FROM orders GROUP BY order_type;
• CCOUNT(SELECT order_type FROM orders);
• DSELECT COUNT(*) FROM orders ORDER BY order_type;
• ESELECT AUTO_COUNT FROM orders COUNT order_type;