Show customer ids who don't have an account.
CREATE TABLE Customers (customer_id VARCHAR); CREATE TABLE Accounts (customer_id VARCHAR)
SELECT customer_id FROM Customers EXCEPT SELECT customer_id FROM Accounts
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE Customers (customer_id VARCHAR); CREATE TABLE Accounts (customer_id VARCHAR) Question: Show customer ids who don't have an account. [/INST] SELECT customer_id FROM Customers EXCEPT SELECT customer_id FROM Accounts </s>