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Database Principles Question... Answer must be in 200-300 Words.. When considering creating a join between two tables, how are we demonstrating the concept of relational

Database Principles Question... Answer must be in 200-300 Words..

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When considering creating a join between two tables, how are we demonstrating the concept of "relational" databases? Why is it essential that we create the join finding a common attribute that is unique in at least one table and look at situations where that attribute has the same value (is equal) in both tables

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