How to use Cassandra CQL in your Java Application
Cassandra Query Language (CQL) is a SQL (Structured Query Language)-like language for querying Cassandra. Cassandra's data model is a partitioned row store with tunable consistency. Rows are organized into tables; the first component of a table's primary key is the ...
Data transfer between MySql and Cassandra using Sqoop
Sqoop is a tool designed to transfer data between Hadoop and relational databases. You can use Sqoop to import data from a relational database management system (RDBMS) such as MySQL or Oracle into the Hadoop Distributed File System (HDFS), transform ...
Why Big Data Applications Are Already a Reality
The advent of the Internet and World Wide Web changed many things in the technology landscape. Information began to become widely accessible. Individuals began to connect with one another online. Merchants began to market and sell their products digitally, sometimes ...
Introduction to Apache Hive and Pig
Apache Hive is a framework that sits on top of Hadoop for doing ad-hoc queries on data in Hadoop. Hive supports HiveQL which is similar to SQL, but doesn't support the complete constructs of SQL.
Hive coverts the HiveQL query into ...
How to Get the Best Out of Big Data Solutions
Data has become the new raw material for businesses. And that’s how it should be in order to meet the dynamic needs of the current age. Thus, access to considerably large amounts of data and information always helps an organisation ...
When to use Pig Latin versus Hive SQL?
Once your big data is loaded into Hadoop, what’s the best way to use that data? You’ll need some way to filter and aggregate the data, and then apply the results for something useful. Collecting terabytes and petabytes of web ...
HBase Architecture
HBase – The Basics:
HBase is an open-source, NoSQL, distributed, non-relational, versioned, multi-dimensional, column-oriented store which has been modeled after Google BigTable that runs on top of HDFS. ‘’NoSQL” is a broad term meaning that the database isn’t an RDBMS which ...
Use Cases Of MongoDB
MongoDB is a relatively new contender in the data storage circle compared to giant like Oracle and IBM DB2, but it has gained huge popularity with their distributed key value store, MapReduce calculation capability and document oriented NoSQL features.
MongoDB has ...
21 NoSQL Innovators to Look for in 2020
In the ever-evolving world of enterprise IT, choice is generally considered a good thing – albeit having too many choices can create confusion and uncertainty. For those application owners, database administrators and IT directors who pine for the good old ...
RDBMS dominate the database market, but NoSQL systems are catching up
Based on the popularity ranking, DB-Engines presents new statistics, which show that relational systems currently totally dominate the database market, but NoSQL systems have a strong upcoming trend.
Since we have already more than 200 different database systems in our ranking, ...