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Asked: December 26, 2022In: Computer Science

What is the difference between von Neumann architecture and Harvard architecture

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What is the difference between von Neumann architecture and Harvard architecture

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Asked: December 18, 2022In: SQL Interview Questions

If a table contains duplicate rows, will a query display duplicate values by default? How can you eliminate duplicate rows from a query result?

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If a table contains duplicate rows, will a query display duplicate values by default? How can you eliminate duplicate rows from a query result?

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Asked: December 18, 2022In: SQL Interview Questions

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Asked: December 18, 2022In: SQL Interview Questions

What is a unique constraint? How is it different from a primary key?

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What is a unique constraint? How is it different from a primary key?

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Asked: December 18, 2022In: SQL Interview Questions

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What is a surrogate key?

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Asked: December 18, 2022In: SQL Interview Questions

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Asked: December 18, 2022In: SQL Interview Questions

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Asked: December 18, 2022In: SQL Interview Questions

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Asked: December 18, 2022In: SQL Interview Questions

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Asked: December 18, 2022In: SQL Interview Questions

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Asked: December 18, 2022In: SQL Interview Questions

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Asked: December 18, 2022In: SQL Interview Questions

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Asked: December 18, 2022In: SQL Interview Questions

What are the different DML commands in SQL? Give a description of their purpose.

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Asked: December 18, 2022In: SQL Interview Questions

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Asked: December 18, 2022In: SQL Interview Questions

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Asked: December 18, 2022In: SQL Interview Questions

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Asked: December 18, 2022In: SQL Interview Questions

What is the difference between SQL, Oracle, MySQL, and SQL Server?

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Asked: November 21, 2022In: Data Engineer Interview Questions

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Asked: November 21, 2022In: Data Engineer Interview Questions

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Asked: November 21, 2022In: Data Engineer Interview Questions

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Describe the fundamental idea underlying the Apache Hadoop Framework.

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Asked: November 21, 2022In: Data Engineer Interview Questions

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Asked: November 21, 2022In: Data Engineer Interview Questions

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Asked: November 21, 2022In: Data Engineer Interview Questions

Which two messages does NameNode get from DataNode?

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Which two messages does NameNode get from DataNode?

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Asked: November 21, 2022In: Data Engineer Interview Questions

As a data engineer, how would you go about creating a new analytical product?

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As a data engineer, how would you go about creating a new analytical product?

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Asked: November 21, 2022In: Data Engineer Interview Questions

Differentiate between a data engineer and data scientist.

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Asked: November 21, 2022In: Data Engineer Interview Questions

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Asked: November 21, 2022In: Data Engineer Interview Questions

What does a skewed table mean in Hive?

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Asked: November 21, 2022In: Data Engineer Interview Questions

Can you create more than one table in Hive for the same data file?

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Can you create more than one table in Hive for the same data file?

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Asked: November 21, 2022In: Data Engineer Interview Questions

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Describe the purpose of the .hiverc file in Hive.

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Asked: November 21, 2022In: Data Engineer Interview Questions

Describe how Hive is used in the Hadoop ecosystem.

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