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What is Atomicity, Consistency, Isolation, and Durability (ACID) Properties

Chapter 9
Handbook of Research on Cloud Infrastructures for Big Data Analytics
These are a set of features that ensure that database transactions are carried out reliably. Atomicity is the ability of the database to guarantee that either all of the tasks of a transaction are performed or none of them are. Consistency is the property that ensures that the database remains in a consistent state before the start of the transaction and after the transaction is over. Isolation refers to the requirement that other operations cannot access or see the data in an intermediate state during a transaction. Durability refers to the guarantee that once the user has been notified of success, the transaction will persist, and not be undone.
Published in Chapter:
Cloud Database Systems: NoSQL, NewSQL, and Hybrid
Swati V. Chande (International School of Informatics and Management, India)
Copyright: © 2014 |Pages: 16
DOI: 10.4018/978-1-4666-5864-6.ch009
Abstract
The influence of the two fast evolving paradigms, Big Data and Cloud Computing, is driving a revolution in different fields of computing. The field of databases is not an exception and has been influenced profoundly by these two forces. Cloud computing is adding to the drive towards making the database available as a service on the cloud. It is shifting the traditional ways in which data is stored, accessed, and manipulated with the appearance of the NoSQL concept and domain specific databases, consequential in moving computing closer to data. This chapter provides a general idea of the changes brought about by the upcoming paradigms in database storage, management, and access, and also provides a brief account of the recent research in the field.
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