Question: SQL - Joins The purpose of this SQL query is to return a full list of Customer IDs from the Customer Dimension, even if they

SQL

-

Joins

The purpose of this SQL query is to return a full list of Customer IDs from the Customer Dimension, even if they have never made a purchase on the Fact Sales table. Which join type should be used to ensure that all customer IDs are returned?

SELECT

.

CustomerID AS CustomerID,

.

SignUpDate AS SignUpDate,

SUM

(

.

SalesAmount

)

AS SalesAmount

FROM FactSales ASfs

________________

DimCustomer AS dp

ON fs

.

ProductKey

=

.

ProductKey

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