Quizz : How Hive Works?

How Hive Works?

10 questions

[premium_content]

1
point
1. 

What is not one of the 5 major Hive components?

MetaStore

Driver

Compiler

Zookeeper

Execution Engine

Shell

1
point
2. 

What is MetaStore’s main job in Hive?

Store meta data about queries

Manage life cycle of the tables

Maintains query sessions

Store system catalog and meta data about tables

1
point
3. 

Hive’s Execution Engine

Enables integration with other applications

Performs column pruning

Processes MapReduce jobs

Partitions Data in HDFS

1
point
4. 

Hive provides one and only one interface to query and access the data

True

False

1
point
5. 

HiveQL ‘talks’ directly to HDFS

False

True

1
point
6. 

When we want to execute a specific Hive query what component does Driver ‘talk to’ first to obtain the plan?

Task Tracker

Execution Engine

MetaStore

Compiler

1
point
7. 

What are the 3 major components of the Hive Data Model?

Tables

Partitions

Column Families

Buckets

Tablets

1
point
8. 

We can partition table at the creation time

True

False

1
point
9. 

Hive enables FULL OUTER JOINs

True

False

1
point
10. 

Creating BUCKETs is very important when

You have a very large data set and need to sample data

You have a very small data set and need to sample data

You have a very large data set and need to cluster data

 [/premium_content]
 
Post Tagged with

Leave a Reply