Querying with Hive MCQ question and answer with solution

1

What is Apache Hive in the context of Hadoop?

A) Data warehousing and SQL-like queries for large datasets B) A storage format in Hadoop C) A query language for HBase D) A distributed file system

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Answer & Solution

Answer: Option A

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2

In Hive, what is the purpose of the SELECT statement?

A) Delete data from a table B) Create a new table in Hive C) Update data in a table D) Retrieve data from a table

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Answer: Option D

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3

What is the primary role of the Hive Metastore in Apache Hive?

A) Execute MapReduce jobs B) Manage computation resources C) Store metadata for Hive tables D) Perform data analytics in Hadoop

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Answer: Option C

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4

In Hive, what does the term "Partitioning" refer to?

A) Grouping data based on a condition B) Organizing data based on certain columns C) Joining data from multiple tables D) None of the above

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Answer: Option B

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5

What is the purpose of the Hive HQL (Hive Query Language)?

A) A distributed file system B) A query language for HBase C) SQL-like language for querying and managing Hive data D) A storage format in Hadoop

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Answer & Solution

Answer: Option C

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6

In Hive, what is the significance of the WHERE clause in a SELECT statement?

A) Sort records based on a column B) Group records based on a column C) Join records from multiple tables D) Filter records based on a condition

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Answer & Solution

Answer: Option D

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7

What is the primary role of the Hive SerDe (Serializer/Deserializer)?

A) Define how Hive tables should serialize and deserialize data B) Execute MapReduce jobs C) Manage computation resources D) Perform data analytics in Hadoop

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Answer & Solution

Answer: Option A

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8

In Hive, what is the purpose of the GROUP BY statement?

A) Join records from multiple tables B) Filter records based on a condition C) Sort records based on a column D) Group records based on a column

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Answer: Option D

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9

What is the purpose of the Hive HBase Storage Handler?

A) Execute MapReduce jobs B) Manage computation resources C) Allow Hive to interact with HBase tables D) Perform data analytics in Hadoop

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Answer & Solution

Answer: Option C

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10

In Hive, what does the term "Bucketing" refer to?

A) Grouping data based on a condition B) Organizing data into fixed-sized buckets C) Joining data from multiple tables D) None of the above

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Answer: Option B

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Querying with Hive MCQ question and answer with solution | Hadoop MCQs