CERTIFIED-DATA-ANALYST-ASSOCIATE · Question #91
A data analyst has been asked to determine which customers have placed an order in the past year and which customers have not placed an order in the past year. This can be determined with one statemen
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Question
A data analyst has been asked to determine which customers have placed an order in the past year and which customers have not placed an order in the past year. This can be determined with one statement by joining the customers table (which is unique by customer ID) and the orders table. Which type of join should the data analyst use?
Options
- ALeft Semi Join
- BLeft Join
- CMiddle Join
- DLeft Anti Join
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