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SQL Server Delete Duplicate Records Interview Query Based Questions and Answers
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SQL Server Delete Duplicate Records Interview Query Based Questions and Answers
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SQL Server interview questions on deleting duplicate records typically involve using Common Table Expressions (CTEs) or the `ROW_NUMBER()` function. Candidates may be asked to write queries that identify and remove duplicate rows while retaining one instance. Example questions include writing a query using CTEs to delete duplicates, explaining how to use `ROW_NUMBER()` to flag duplicates, and demonstrating the query's execution. These questions test the candidate's ability to handle data consistency and optimize database performance.
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Join this channel to get access to perks:
SQL Server interview questions on deleting duplicate records typically involve using Common Table Expressions (CTEs) or the `ROW_NUMBER()` function. Candidates may be asked to write queries that identify and remove duplicate rows while retaining one instance. Example questions include writing a query using CTEs to delete duplicates, explaining how to use `ROW_NUMBER()` to flag duplicates, and demonstrating the query's execution. These questions test the candidate's ability to handle data consistency and optimize database performance.
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