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
Contents Big Data Introduction Definition Characteristics NoSQL Definition Database types Characteristics Support NoSQL tools Advantage and disadvantage of NoSQL Take away 2
3 BIG DATA NoSQL Take away! Following Vice President of Infrastructure Engineering at Facebook: Introduction
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 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 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 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 BIG DATA NoSQL Take away! What is Big Data Characteristics of Big Data
18 Reference What is Big Data? URL: Retrieved April 19 th 2015URL: Big Data definition. URL: data-Big-Data. Retrieved April 19 th 2015URL: data-Big-Data Big Data characteristics. URL: characteristics-problems-and-solution. Retrieved April 19 th 2015URL: characteristics-problems-and-solution
19 Thank for your listening Question & Answer