Final answer:
To identify loyal customers quickly, businesses can use a query that looks for customers who have made multiple purchases or have a high frequency of purchases. Analyzing customer transaction data, such as order history and purchase frequency, can help identify patterns that indicate loyal customers.
Step-by-step explanation:
To identify loyal customers quickly, a query that looks for customers who have made multiple purchases or have a high frequency of purchases can be used. By analyzing customer transaction data, such as order history and purchase frequency, businesses can identify patterns that indicate loyal customers. For example, a query that selects customers who have made at least three purchases within a certain time period would help identify loyal customers. Additionally, a query that filters customers by total spending or average order value can also be effective.