Schema: CREATE TABLE Customers (customer_details VARCHAR, customer_id VARCHAR, Customer_id VARCHAR); CREATE TABLE Customer_Policies (customer_id VARCHAR, policy_id VARCHAR); CREATE TABLE Claims (policy_id VARCHAR)
Question: Which customer had at least 2 policies but did not file any claims? List the customer details and id.
SQL: SELECT T1.customer_details, T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id = T2.customer_id GROUP BY T1.customer_id HAVING COUNT(*) >= 2 EXCEPT SELECT T1.customer_details, T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id = T2.customer_id JOIN Claims AS T3 ON T2.policy_id = T3.policy_id