1. Group : Lê Minh Hi ế u Phan Th ị Thanh Th ả o Ph ạ m Hoàng Long Nguy ễ n Huy Hùng 1 BIG DATA – NoSQL Topic 1

2. Contents  Big Data  Introduction  Definition  Characteristics  NoSQL  Definition  Database types  Characteristics  Support NoSQL tools  Advantage and disadvantage of NoSQL  Take away 2

3. 3 BIG DATA NoSQL Take away! Following Vice President of Infrastructure Engineering at Facebook: Introduction

4. Definition 4 BIG DATA NoSQL Take away!  Data sets -> software tools (capture, manage, and process data)  Structured, semi-structured and unstructured data  About Petabytes (PB) and Exabyte (EB) of data PB = 2 to the 50th power bytes. EB = 2 to the sixtieth power bytes.

5. 5 BIG DATA NoSQL Take away! Characteristic  Volume refers to the amount of data  Variety refers to the number of types of data  Velocity refers to the speed of data processing

6. 6 BIG DATA NoSQL Take away! Characteristic  Variability - refers to the inconsistency which can be shown by the data at times  Veracity - refers to the quality of the data being captured can vary greatly.  Complexity - refers to complex process management data

7. 7 BIG DATA NoSQL Take away! Advantage and Disadvantage of Big Data Advantages  Flexible schema  Quicker/ cheaper to set up  Massive scalability  Eventual consistency => higher performance and availability Disadvantages  No declarative query language => more programming  Eventual consistency => fewer guarantees

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17. 17 BIG DATA NoSQL Take away!  What is Big Data  Characteristics of Big Data

18. 18 Reference  What is Big Data? URL:http://en.wikipedia.org/wiki/Big_data. Retrieved April 19 th 2015URL:http://en.wikipedia.org/wiki/Big_data  Big Data definition. URL:http://searchcloudcomputing.techtarget.com/definition/big- data-Big-Data. Retrieved April 19 th 2015URL:http://searchcloudcomputing.techtarget.com/definition/big- data-Big-Data  Big Data characteristics. URL:http://bigdatahandler.com/2013/10/23/big-data- characteristics-problems-and-solution. Retrieved April 19 th 2015URL:http://bigdatahandler.com/2013/10/23/big-data- characteristics-problems-and-solution

19. 19 Thank for your listening Question & Answer