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Welcome to the Hive and HBase MCQs Page

Dive deep into the fascinating world of Hive and HBase with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Hive and HBase, a crucial aspect of Hadoop. In this section, you will encounter a diverse range of MCQs that cover various aspects of Hive and HBase, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Hadoop.

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Check out the MCQs below to embark on an enriching journey through Hive and HBase. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Hadoop.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Hive and HBase. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Hive and HBase MCQs | Page 6 of 8

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Q51.
One supported data type that deserves special mention are ____________

a.

money

b.

counters

c.

smallint

d.

tinyint

Discuss
Answer: (b).counters
Q52.
The _________ suffers from the monotonically increasing rowkey problem.

a.

rowkey

b.

columnkey

c.

counterkey

d.

all of the mentioned

Discuss
Answer: (a).rowkey
Q53.
__________ does re-write data and pack rows into columns for certain time-periods.

a.

OpenTS

b.

OpenTSDB

c.

OpenTSD

d.

OpenDB

Discuss
Answer: (b).OpenTSDB
Q54.
Which command is used to disable all the tables matching the given regex?

a.

remove all

b.

drop all

c.

disable_all

d.

all of the mentioned

Discuss
Answer: (c).disable_all
Q55.
__________ command disables drops and recreates a table.

a.

drop

b.

truncate

c.

delete

d.

none of the mentioned

Discuss
Answer: (b).truncate
Q56.
Correct and valid syntax for count command is ____________

a.

count ‘<row number>’

b.

count ‘<table name>’

c.

count ‘<column name>’

d.

none of the mentioned

Discuss
Answer: (b).count ‘<table name>’
Q57.
Point out the correct statement.

a.

Hive Commands are non-SQL statement such as setting a property or adding a resource

b.

Set -v prints a list of configuration variables that are overridden by the user or Hive

c.

Set sets a list of variables that are overridden by the user or Hive

d.

None of the mentioned

Discuss
Answer: (a).Hive Commands are non-SQL statement such as setting a property or adding a resource
Q58.
Point out the wrong statement.

a.

source FILE <filepath> executes a script file inside the CLI

b.

bfs <bfs command> executes a dfs command from the Hive shell

c.

hive is Query language similar to SQL

d.

none of the mentioned

Discuss
Answer: (b).bfs <bfs command> executes a dfs command from the Hive shell
Q59.
Point out the correct statement.

a.

list FILE[S] <filepath>* executes a Hive query and prints results to standard output

b.

<query string> executes a Hive query and prints results to standard output

c.

<query> executes a Hive query and prints results to standard output

d.

All of the mentioned

Discuss
Answer: (b).<query string> executes a Hive query and prints results to standard output
Q60.
Point out the wrong statement.

a.

There are four namespaces for variables in Hive

b.

Custom variables can be created in a separate namespace with the define

c.

Custom variables can also be created in a separate namespace with hivevar

d.

None of the mentioned

Discuss
Answer: (a).There are four namespaces for variables in Hive
Page 6 of 8

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