Exam 14: Big Data Analytics and NoSQL
Exam 1: Database Systems72 Questions
Exam 2: Data Models75 Questions
Exam 3: The Relational Database Model74 Questions
Exam 4: Entity Relationship Ermodeling75 Questions
Exam 5: Advanced Data Modeling83 Questions
Exam 6: Normalization of Database Tables92 Questions
Exam 7: Introduction to Structured Query Language SQL92 Questions
Exam 8: Advanced SQL95 Questions
Exam 9: Database Design87 Questions
Exam 10: Transaction Management and Concurrency Control76 Questions
Exam 11: Database Performance Tuning and Query Optimization82 Questions
Exam 12: Distributed Database Management Systems72 Questions
Exam 13: Business Intelligence and Data Warehouses75 Questions
Exam 14: Big Data Analytics and NoSQL76 Questions
Exam 15: Database Connectivity and Web Technologies81 Questions
Exam 16: Database Administration and Security81 Questions
Select questions type
What is NoSQL and what are the major NoSQL approaches (categories)?
Free
(Essay)
4.9/5
(32)
Correct Answer:
NoSQL is the unfortunate name given to a broad array of nonrelational database technologies that have developed to address Big Data challenges.The name is unfortunate because it does not describe what the NoSQL technologies are,but rather what they are not.Even that explanation is poor.Literally hundreds of products can be considered as NoSQL.Most of them fit into one of four categories: key-value data stores,document databases,column-oriented databases and graph databases.
processing occurs when a program runs from beginning to end without any user interaction.
Free
(Multiple Choice)
4.8/5
(42)
Correct Answer:
D
is the Big Data "3 V" that relates to the speed at which data is entering the system.
Free
(Short Answer)
4.8/5
(37)
Correct Answer:
Velocity
is a human-readable text format for data interchange that defines attributes and values in a document.
(Short Answer)
4.8/5
(35)
When using MapReduce,a _______ function takes a collection and data and sorts and filters it into a set of key-value pairs.
(Multiple Choice)
4.9/5
(38)
Most BI vendors are dropping the term "data mining" and replacing it with the term:
(Multiple Choice)
4.9/5
(37)
A database model that attempts to provide ACID-compliant transactions across a highly distributed infrastructure is _____.
(Short Answer)
4.8/5
(32)
Scaling out is keeping the same number of systems,but migrating each system to a larger one.
(True/False)
4.9/5
(38)
languages allow the user to specify what they want,not how to get it which is very useful for query processing.
(Short Answer)
4.9/5
(39)
In a column family database,a column that is composed of a group of other related columns is called a(n)______.
(Short Answer)
4.8/5
(35)
Hadoop is a high-level tool that requires little effort to create,manage and use.
(True/False)
5.0/5
(29)
When using a HDFS,the _____ node creates new files by communicating with the ____ node.
(Multiple Choice)
4.8/5
(40)
databases simply store data with no attempt to understand the contents of the value component or its meaning.
(Essay)
4.8/5
(33)
The ability to graphically data in a way that makes it understandable is the concept of value.
(True/False)
4.8/5
(43)
uses statistical tools to answer questions about future data occurrences.
(Multiple Choice)
4.7/5
(32)
In the context of Big Data,_____ refers to the trustworthiness of a set of data.
(Multiple Choice)
5.0/5
(50)
Showing 1 - 20 of 76
Filters
- Essay(0)
- Multiple Choice(0)
- Short Answer(0)
- True False(0)
- Matching(0)