The CUSTOMERS table has these columns: The CUSTOMER_ID column is the primary key for the table.Which two statements find the number of customers? （）
- A SELECT TOTAL(*) FROM customers;
- B SELECT COUNT(*) FROM customers;
- C SELECT TOTAL(customer_id) FROM customers;
- D SELECT COUNT(customer_id) FROM customers;
- E SELECT COUNT(customers) FROM customers;
- F SELECT TOTAL(customer_name) FROM customer