Books Out of Stock

Find every book that has no available copies in stock. Return book_id and title.

Expected output sample

This is what a correct answer looks like — its row count is its own, it doesn't have to match the schema tables. Your answer must use the same column names as this sample — alias them with AS if needed.

book_id	title
2	DB Design
4	Data Structures
6	Networks

Your query result will appear here

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