Question: 1. Explain when column names need to be qualified, give SQL Queries examples . 2. Describe a Cartesian Product, give SQL Queries examples. 3. Describe

1. Explain when column names need to be qualified, give SQL Queries examples .

2. Describe a Cartesian Product, give SQL Queries examples.

3. Describe the proper use of a table alias, give SQL Queries examples .

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