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Exercise (10-10)

From exercises 7-9, we have created the following three tables:​
  • WALMARTPRICE
  • AMAZONPRICE
  • COMBINEDPRICE

Each table contains the total cost for the three purchasing options.

Write a Proc SQL step to join the three tables and list the three costs side-by-side.

The output query / table should look like this:
Picture
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