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You're reading from  Practical Big Data Analytics

Product typeBook
Published inJan 2018
Reading LevelIntermediate
PublisherPackt
ISBN-139781783554393
Edition1st Edition
Languages
Java
Tools
HadoopApache Spark
Concepts
Big Data
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Author (1)
Nataraj Dasgupta
Nataraj Dasgupta
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Nataraj Dasgupta

Nataraj Dasgupta is the vice president of advanced analytics at RxDataScience Inc. Nataraj has been in the IT industry for more than 19 years, and has worked in the technical and analytics divisions of Philip Morris, IBM, UBS Investment Bank, and Purdue Pharma. At Purdue Pharma, Nataraj led the data science division, where he developed the company's award-winning big data and machine learning platform. Prior to Purdue, at UBS, he held the role of Associate Director, working with high-frequency and algorithmic trading technologies in the foreign exchange trading division of the bank.
Read more about Nataraj Dasgupta

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Why NoSQL?

The term NoSQL generally means Not Only SQL: that is, the underlying database has properties that are different to those of common and traditional database systems. As such, there is no clear distinction that qualifies a database as NoSQL, other than the fact that they do not provide the characteristics of ACID compliance. As such, it would be helpful to understand the nature of ACID properties that have been the mainstay of database systems for many decades, as well as discuss, in brief, the significance of BASE and CAP, two other terminologies central to databases today.

The ACID, BASE, and CAP properties

Let's first proceed with ACID and SQL.

ACID and SQL

ACID stands for atomicity, consistency, isolation, and durability:

  • Atomicity: This indicates that database transactions either execute in full or do not execute at all. In other words, either all transactions should be committed, that is, persisted in their entirety, or not committed at all. There is no scope for a partial execution...
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Practical Big Data Analytics
Published in: Jan 2018Publisher: PacktISBN-13: 9781783554393
© 2018 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Nataraj Dasgupta

Nataraj Dasgupta is the vice president of advanced analytics at RxDataScience Inc. Nataraj has been in the IT industry for more than 19 years, and has worked in the technical and analytics divisions of Philip Morris, IBM, UBS Investment Bank, and Purdue Pharma. At Purdue Pharma, Nataraj led the data science division, where he developed the company's award-winning big data and machine learning platform. Prior to Purdue, at UBS, he held the role of Associate Director, working with high-frequency and algorithmic trading technologies in the foreign exchange trading division of the bank.
Read more about Nataraj Dasgupta

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