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What is CTE in SQL?

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A CTE or common table expression is an expression that contains temporary result set which is defined in a SQL statement.

Conclusion

SQL is an essential component of the database system. Having well-versed knowledge of database along with SQL concepts will definitely be beneficial to crack the interview for the concerned profile.

Apart from some major concepts, there are some hidden facts that remain unseen and affect your performance in the interview. In this tutorial, I have tried to recollect some of those concepts which seem small but should not be neglected.

Hope in this article, you will find answers to most frequently asked SQL interview questions. The knowledge of SQL is a must for any tester and this article will help you in preparing the interview.

Further Reading => All about Database Testing

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