Show the product ids and the number of unique orders containing each product.
CREATE TABLE Order_items (
    product_id VARCHAR,
    order_id VARCHAR
)
SELECT product_id, COUNT(DISTINCT order_id) FROM Order_items GROUP BY product_id
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Show the product ids and the number of unique orders containing each product. ### Input: CREATE TABLE Order_items (
    product_id VARCHAR,
    order_id VARCHAR
) ### Response: SELECT product_id, COUNT(DISTINCT order_id) FROM Order_items GROUP BY product_id