You're reading from The Data Wrangling Workshop - Second Edition

Product typeBook

Published inJul 2020

Reading LevelIntermediate

PublisherPackt

ISBN-139781839215001

Edition2nd Edition

Languages

Python

Tools

Jupyter

Concepts

Data Processing

Authors (3):

Brian Lipp

Shubhadeep Roychowdhury

Dr. Tirthajyoti Sarkar

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Refresher of RDBMS and SQL

An RDBMS is a piece of software that manages data (represented for the end user in tabular form) on physical hard disks and is built using Codd's relational model. Most of the databases that we encounter today are RDBMS. In recent years, there has been a huge industry shift toward a newer kind of database management system, called NoSQL (MongoDB, CouchDB, Riak, and so on). These systems, while they do follow some of the rules of RDBMS in certain aspects, in most cases they reject or modify them.

How Is an RDBMS Structured?

The RDBMS structure consists of three main elements, namely the storage engine, the query engine, and log management. Here is a diagram that demonstrates the structure of an RDBMS:

Figure 8.2: RDBMS structure

The following are the main concepts of any RDBMS structure:

Storage engine: This is the part of the RDBMS that is responsible for storing data in an efficient way and also retrieving it,...

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The Data Wrangling Workshop - Second Edition

Published in: Jul 2020Publisher: PacktISBN-13: 9781839215001

Authors (3)

Brian Lipp

Brian Lipp is a Technology Polyglot, Engineer, and Solution Architect with a wide skillset in many technology domains. His programming background has ranged from R, Python, and Scala, to Go and Rust development. He has worked on Big Data systems, Data Lakes, data warehouses, and backend software engineering. Brian earned a Master of Science, CSIS from Pace University in 2009. He is currently a Sr. Data Engineer working with large Tech firms to build Data Ecosystems.
Read more about Brian Lipp

Shubhadeep Roychowdhury

Shubhadeep Roychowdhury holds a master's degree in computer science from West Bengal University of Technology and certifications in machine learning from Stanford. He works as a senior software engineer at a Paris-based cybersecurity startup, where he is applying state-of-the-art computer vision and data engineering algorithms and tools to develop cutting-edge products. He often writes about algorithm implementation in Python and similar topics.
Read more about Shubhadeep Roychowdhury

Dr. Tirthajyoti Sarkar

Dr. Tirthajyoti Sarkar works as a senior principal engineer in the semiconductor technology domain, where he applies cutting-edge data science/machine learning techniques for design automation and predictive analytics. He writes regularly about Python programming and data science topics. He holds a Ph.D. from the University of Illinois and certifications in artificial intelligence and machine learning from Stanford and MIT.
Read more about Dr. Tirthajyoti Sarkar

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You're reading from The Data Wrangling Workshop - Second Edition

Refresher of RDBMS and SQL

How Is an RDBMS Structured?

Unlock this book and the full library FREE for 7 days

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