BI Chapter 7 S/A

The ________ Node in a Hadoop cluster provides client information on where in the cluster particular data is stored and if any nodes fail.

Name

HBase, Cassandra, MongoDB, and Accumulo are examples of ________ databases.

NoSQL

As volumes of Big Data arrive from multiple sources such as sensors, machines, social media, and clickstream interactions, the first step is to ________ all the data reliably and cost effectively.

capture

HBase is a nonrelational ________ that allows for low-latency, quick lookups in Hadoop.

database

Hadoop is primarily a(n) ________ file system and lacks capabilities we'd associate with a DBMS, such as indexing, random access to data, and support for SQL.

distributed

As the size and the complexity of analytical systems increase, the need for more ________ analytical systems is also increasing to obtain the best performance.

efficient

Big Data comes from ________.

everywhere

________ bring together hardware and software in a physical unit that is not only fast but also scalable on an as-needed basis.

Appliances

________ speeds time to insights and enables better data governance by performing data integration and analytic functions inside the database.

In-database analytics

________ of data provides business value; pulling of data from multiple subject areas and numerous applications into one repository is the raison d'être for data warehouses.

Integration

In the world of Big Data, ________ aids organizations in processing and analyzing large volumes of multistructured data. Examples include indexing and search, graph analysis, etc.

MapReduce

________ refers to the conformity to facts: accuracy, quality, truthfulness, or trustworthiness of the data.

Veracity

The problem of forecasting economic activity or microclimates based on a variety of data beyond the usual retail data is a very recent phenomenon and has led to another buzzword — ________.

alternative data

In-motion ________ is often overlooked today in the world of BI and Big Data.

analytics

In open-source databases, the most important performance enhancement to date is the costbased ________.

optimizer

Big Data employs ________ processing techniques and nonrelational data storage capabilities in order to process unstructured and semistructured data.

parallel

In the energy industry, ________ grids are one of the most impactful applications of stream analytics.

smart

A job ________ is a node in a Hadoop cluster that initiates and coordinates MapReduce jobs, or the processing of the data.

tracker

The ________ of Big Data is its potential to contain more useful patterns and interesting anomalies than "small" data.

value proposition

Organizations are working with data that meets the three V's-variety, volume, and ________ characterizations.

velocity