Introduction to bigdata
HDFS, MapReduce, YARN
What are the main components of big data?
IBM and ________ have announced a major initiative to use Hadoop to support university courses in distributed computer programming.
A Set
Which of the following command is used to show values to keys used in Pig?
a directory
Each database created in hive is stored as
Column-oriented
HBase is a distributed ________ database built on top of the Hadoop file system
peta
Data in ____ bytes size is called big data
Apache License 2.0
What license is Hadoop distributed under?
Local
PigUnit runs in Pig’s _______ mode by default.
a subdirectory under the database directory
The tables created in hive are stored as
Schema-less
HBase is ________ defines only column families.
structured data
Transaction of data of the bank is a type of.
OpenSolaris
Sun also has the Hadoop Live CD ________ project, which allows running a fully functional Hadoop cluster using a live CD.
Pig Statistics
_________ is a framework for collecting and storing script-level statistics for Pig Latin.
show
To see the partitions present in a Hive table the command used is
Bigtable
Apache HBase is a non-relational database modeled after Google’s _________
3
The total forms of big data is ____
Java (programming language)
What was Hadoop written in?
Grunt
You can run Pig in interactive mode using the ______ shell
only managed tables
Creating a table an loading it with a select clause in one query applies to
Master
The _________ Server assigns regions to the region servers and takes the help of Apache ZooKeeper for this task.
java
In which language is Hadoop written?
RAID
Hadoop achieves reliability by replicating the data across multiple hosts and hence does not require ________ storage on hosts.
Three
How many ways can we run Pig programs?
hive.exec.mode.local.auto
The property set to run hive in local mode as true so that it runs without creating a mapreduce job is
get
_________ command fetches the contents of a row or a cell.