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Utilizing UNION and INTERSECT Operators in Relational Database Models

An analysis of UNION and INTERSECT operators in relational database models, focusing on their utility in query optimization.

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    Utilizing UNION and INTERSECT Operators in Relational Database Models In 300 – 400 words , explain a business scenario where the UNION operator is used to merge two similar datasets. Discuss its advantages over simple dataset merging, ensuring data consistency and improved analysis. Provide an SQL query example demonstrating UNION. In another 300 – 400 words , describe a scenario where the INTERSECT operator helps find common data elements between datasets. Provide an SQL query using INTERSECT and an alternative query using INNER JOIN to achieve the same result.

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