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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 3 of 8

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Q21.
Starting in Hive _______ the Avro schema can be inferred from the Hive table schema.

a.

0.14

b.

0.12

c.

0.13

d.

0.11

Discuss
Answer: (a).0.14
Q22.
The AvroSerde has been built and tested against Hive 0.9.1 and later, and uses Avro _______ as of Hive 0.13 and 0.14.

a.

1.7.4

b.

1.7.2

c.

1.7.3

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Q23.
Which of the following data type is supported by Hive?

a.

map

b.

record

c.

string

d.

enum

Discuss
Answer: (d).enum
Q24.
Which of the following data type is converted to Array prior to Hive 0.12.0?

a.

map

b.

long

c.

float

d.

bytes

Discuss
Answer: (d).bytes
Q25.
Avro-backed tables can simply be created by using _________ in a DDL statement.

a.

“STORED AS AVRO”

b.

“STORED AS HIVE”

c.

“STORED AS AVROHIVE”

d.

“STORED AS SERDE”

Discuss
Answer: (a).“STORED AS AVRO”
Q26.
Types that may be null must be defined as a ______ of that type and Null within Avro.

a.

Union

b.

Intersection

c.

Set

d.

All of the mentioned

Discuss
Answer: (a).Union
Q27.
The files that are written by the _______ job are valid Avro files.

a.

Avro

b.

Map Reduce

c.

Hive

d.

All of the mentioned

Discuss
Answer: (c).Hive
Q28.
Use ________ and embed the schema in the create statement.

a.

schema.literal

b.

schema.lit

c.

row.literal

d.

all of the mentioned

Discuss
Answer: (a).schema.literal
Q29.
_______ is interpolated into the quotes to correctly handle spaces within the schema.

a.

$SCHEMA

b.

$ROW

c.

$SCHEMASPACES

d.

$NAMESPACES

Discuss
Answer: (a).$SCHEMA
Q30.
To force Hive to be more verbose, it can be started with ___________

a.

*hive –hiveconf hive.root.logger=INFO,console*

b.

*hive –hiveconf hive.subroot.logger=INFO,console*

c.

*hive –hiveconf hive.root.logger=INFOVALUE,console*

d.

All of the mentioned

Discuss
Answer: (a).*hive –hiveconf hive.root.logger=INFO,console*
Page 3 of 8

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