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17. TCS SQL Interview Questions and Answers| Advance SQL Interview Questions| Pandey Guruji



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Question: I have a table in production that has duplicate data. I can not delete existing rows because of business rules but somehow I have to prevent any further duplication of data in a table. How do achieve it?
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This Video contains In-depth coverage of the Following:
Query-based interview questions in SQL
Scenario-based interview questions and answers
SQL interview questions and answers
SQL practice exercises with solutions
SQL interview questions
SQL Server interview questions and answers for experienced
SQL interview questions and answers for experienced
Advanced SQL Interview Questions
SQL interview questions for 6 years of experience
SQL practice set
SQL server practice questions
SQL server practice exercises with solutions
SQL practice exercises with solutions
These video series will help to crack interviews and get jobs in SQL Developer, Database Developer, Data Engineer, Reporting Analyst, Data Analyst, Data Scientist, System Analyst, Power BI Developer, Tableau Developer, BI Developer, etc.

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