Hive is a data warehousing infrastructure based on Apache Hadoop. Hadoop provides massive scale out and fault tolerance capabilities for data storage and processing on commodity hardware. Hive is designed to enable easy data summation, ad-hoc querying and analysis of large volumes of data. It provides SQL which enables users to do ad-hoc...

Spark Programming is nothing but a general-purpose & lightning fast cluster computing platform. In other words, it is an open source, wide range data processing engine. That reveals development API’s, which also qualifies data workers to accomplish streaming, machine learning or SQL workloads which demand repeated access to data sets....

Apache Spark tutorial provides basic and advanced concepts of Spark. Our Spark tutorial is designed for beginners and professionals.Spark is a unified analytics engine for large-scale data processing including built-in modules for SQL, streaming, machine learning and graph processing.Our Spark tutorial includes all topics of Apache Spark with...

In Apache Cassandra data modelling play a vital role to manage huge amount of data with correct methodology. Methodology is one important aspect in Apache Cassandra. Data modelling describes the strategy in Apache Cassandra. Conceptual Data Model: Conceptual model is an abstract view of your domain. It is Technology independent. Conceptual...

What Is Big Data? Big Data is a term used for a collection of data sets that are large and complex, which is difficult to store and process using available database management tools or traditional data processing applications. The challenge includes capturing, curating, storing, searching, sharing, transferring, analyzing and visualization of...

Hadoop is an Apache open source framework written in java that allows distributed processing of large datasets across clusters of computers using simple programming models. The Hadoop framework application works in an environment that provides distributed storage and computation across clusters of computers. Hadoop is designed to scale up from...

Hadoop is an open-source software framework used for storing and processing Big Data in a distributed manner on large clusters of commodity hardware. ... Hadoop was developed, based on the paper written by Google on the MapReduce system and it applies concepts of functional programming. Hadoop is a framework that allows for the distributed...

This tutorial gives you an overview and talks about the fundamentals of Apache Mahout. Mahout is an open source machine learning library from Apache. The algorithms it implements fall under the broad umbrella of “machine learning,” or “collective intelligence.” This can mean many things, but at the moment for Mahout it means primarily...

Our Data Engineer interview questions span various topics, evaluating candidates' skills in crafting, implementing, and managing data architecture and pipelines. Topics include database systems, data modeling, ETL processes, distributed computing frameworks, and proficiency in relevant tools. Evaluation criteria focus on problem-solving...

These IDQ Interview Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your interview for the subject of IDQ As per my experience good interviewers hardly plan to ask any particular question during your interview, normally questions start with some basic concept of the subject and...