INTERVIEW QUESTIONS DATABASE SQL SERVER DETAILS

Question: How to remove duplicate records from a table?

Answer: delete from <tablename> where rowid < (select max(rowid) from <tablename> where <tablename>.<columnname>=<tablename>.<columnname>)

delete from <tablename> where rowid < (select max(rowid) from <tablename> where <tablename>.<columnname>=<tablename>.<columnname>) Source: CoolInterview.com

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