引导式测验 · 中等 等级

How to Understand SQL Joins with AI Quiz

Practice inner and outer join results, many-to-many row multiplication and filter placement using small customer and order examples.

相关引导路径Understand Sql Joins With AI
问题 1 的 8

Ada has two orders and Ben has none. How many rows result from the guide's customer-to-order left join before further filtering?