In standalone mode, HBase does not use HDFS — it uses the local filesystem instead — and it runs all HBase daemons and a local ZooKeeper all up in the same JVM. Zookeeper binds to a well known port so clients may talk to HBase.
Step 1: Download HBase from “http://hbase.apache.org/”.
…
This extends 1. HBase Tutorial Getting Started. You can learn HBase basics at HBase interview Questions & Answers.
Step 1: Unlike relational databases, the NoSQL databases are semi-structured, hence you can add new columns on the fly. In HBase, you can define the table name and the column family first and then new columns for a column family can be added programmatically on the fly.
…
Extends Getting started with HBase. HBase is a NoSQL database. HBase is a columnar database. #1. In HBase, you create the Table & column-families “create” command to create a table with column families. You can later on use “ … Read more ›...
HBase is a NoSQL database used in Hadoop world to store “Big Data”. This extends Understanding HBase (NoSQL) database basics in 7 steps.
Step 1: Create a Maven based Java project
Step 2: Import the project into eclipse & modify the pom.xml file
to add Hadoop &
…
Step 1: Create an HBase table named “sequence_numbers” with one column-family “i”. You can create this via HBase shell. Step 2: You can use the HBase API in Java to insert a new record via “assigCurrentValue()“, and perform atomic operations in “ … Read more ›...
Mechanical Engineer to self-taught Java engineer within 2 years & a freelancer within 3 years. Freelancing since 2003. Preparation empowered me to attend 190+ job interviews & choose from 150+ job offers with sought-after contract rates. Author of the book “Java/J2EE job interview companion“, which sold 35K+ copies & superseded by this site with 2,050+ registered users. Amazon.com profile | Reviews | LinkedIn | LinkedIn Group | YouTube
Contact us: java-interview@hotmail.com
