03B
Compare these references after your own attempt. You can read them at any time; they do not record a live model or vendor run.
Compare these references after your own attempt. You can read them at any time; they do not record a live model or vendor run.
-- 03b: Keep Pune customers and missing cities
SELECT customer_id,customer_name FROM aabha_sql.customers
WHERE city='Pune' OR city IS NULL ORDER BY customer_id;