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Combining Data Using Unions in Transact-SQL

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Part of T-SQL Database Query Topic: Data Science

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What you'll do

In this challenge, you will write several Transact-SQL queries to combine data by using the UNION set operator.

  1. Launch Microsoft SQL Server Management Studio (SSMS)
  2. Develop a query that combines data from two result sets
  3. Develop more specific queries that will combine result sets by removing and retaining duplicates
  4. Explore queries that will sort the combined result sets

Note: Once you begin a challenge you will not be able to pause, save, or return to your progress. Please ensure you have set aside enough time to complete the challenge before you start.

  • ⏱ About 30 minutes