SQL query with SELECT COUNT() in SELECT - subquery example

Would you please provide working example how to use SQL SELECT with COUNT() in SELECT query ?
14 May 2021 at 05:56 PM
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The subquery with "SELECT in SELECT" should look for example like this:

SELECT item_name FROM items AS i WHERE i.available_pcs = (SELECT COUNT(*) FROM reserved_items AS r WHERE i.item_id = r.item_id );
20 May 2021 at 11:29 AM
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