Question: create two tables containing data with at least 4 columns and 4 rows of data each that are union-compatible. Be sure that at least one

create two tables containing data with at least 4 columns and 4 rows of data each that are union-compatible. Be sure that at least one row (but not all rows) in the first table is identical to a row in the second table. Use these two tables to illustrate the Union relational operator, than the Difference relational operator.

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