You're reading from AWS Certified Developer - Associate Guide - Second Edition

Product typeBook

Published inJun 2019

PublisherPackt

ISBN-139781789617313

Edition2nd Edition

Tools

AWS

Concepts

IT Certification

Authors (2):

Vipul Tankariya

Bhavin Parmar

View More author details

Understanding RDBMSes

An RDBMS enables you to create databases that can store related data. A database is a collection of information that stores data in tables. A table is a collection of related data entries consisting of columns and rows.

An RDBMS enables you to create a link between these tables by establishing a relationship between them. This relational model helps in obtaining related information from multiple tables using SQL. You can see in the following diagram that there are three tables: Employee_Master, Department_Master, and Emp_Dept. All these tables are related with a key field that is called the primary key. In the following example, you can see how the Emp_Dept table, which provides department details for employees, is linked to the Employee_Master and Department_Master tables:

Relationship between tables in an RDBMS

In a nutshell, this is how an RDBMS stores...

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AWS Certified Developer - Associate Guide - Second Edition

Published in: Jun 2019Publisher: PacktISBN-13: 9781789617313

Authors (2)

Vipul Tankariya

Vipul Tankariya has a broad range of experience in cloud consulting, development, and training. He has worked with a number of customers across the globe, solving real-life business problems in terms of technology and strategy. He is also a public speaker at various AWS events and meetups. He has not only extensively worked on AWS, but is also certified in five AWS certifications. He is an accomplished senior cloud consultant and technologist with more than 21 years of experience. He is focused on strategic thought leadership concentrated around next-generation cloud-based solutions. He has a lot of experience in working on DevOps, CI/CD, and automation at each level of the delivery lifecycle of products, solutions, and services on the cloud.
Read more about Vipul Tankariya

Bhavin Parmar

Bhavin Parmar has a broad range of experience in cloud consulting, development, and training. He actively participates in solving real-life business problems. He has not only extensively worked on AWS, but he is also certified in AWS and Red Hat. This book combines his AWS experience in solving real-life business problems with his hands-on deployment and development experience. Bhavin is an accomplished technologist and senior cloud consultant with more than 11 years of experience. He is focused on strategic thought leadership concentrated around next-generation cloud-based and DevOps solutions. He has also been instrumental in setting up cloud migration strategies for customers, building enterprise-class cloud solutions, and AWS training.
Read more about Bhavin Parmar

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