Relational database systems

Go to Course: https://www.coursera.org/learn/relational-database

Introduction

**Course Review: Relational Database Systems on Coursera** In the digital age, understanding how to manage and manipulate data is crucial for anyone looking to advance their career in technology or business. The "Relational Database Systems" specialization course on Coursera offers a comprehensive and structured approach to learning about database management, making it a valuable investment in your education. **Overview** Spanning six weeks, this course combines engaging videos and an array of supporting documents that simplify complex concepts relating to information systems and databases. The course is designed to cover various types of systems that can address the diverse needs and challenges businesses face today. **Objectives** By the conclusion of this specialization, learners will have the skills necessary to design, test, and implement a variety of database systems—be they analytical, transactional, or NoSQL—tailored to meet specific business requirements. This practical focus on real-world applications makes the course even more appealing. **Course Syllabus Breakdown** 1. **Information Systems** The course begins with an introduction to information systems, delving into how people, technology, and processes interact to streamline transaction processes. This foundational module sets the stage for understanding how companies automate their daily operations. 2. **Entity Relationship Theory and Conceptual Design** Next, the course emphasizes conceptual design. Learners will acquire the skills to create Entity Relationship Diagrams (ERDs) based on business requirements, which are essential for visualizing the data structure of a system. 3. **Relational Database Theory and Logical Design** This module transitions to logical design, where students will build relational models from the ERDs created in the previous stage. This part of the curriculum teaches the theoretical underpinnings of how data is structured. 4. **Structured Query Language Data Manipulation Language** Moving onto physical design, this module introduces the essential components of Structured Query Language (SQL). Learners will engage in creating database objects using Data Definition Language (DDL), providing a hands-on approach to database architecture. 5. **Structured Query Language and Advanced SQL Programming** The fifth week of the course explores advanced SQL programming techniques focused on Data Manipulation Language (DML). This module enables participants to effectively feed information into and query relational database objects. 6. **Transactions and Query Optimization** Lastly, the course addresses transaction management and query optimization tailored to different information systems. Understanding how to optimize database queries is crucial for enhancing the performance and efficiency of database systems. **Recommendations** I highly recommend the "Relational Database Systems" specialization on Coursera to anyone seeking to develop a solid understanding of databases. The course is particularly valuable for: - **Professionals in IT or Business**: Those looking to enhance their database management skills for improved job performance or career progression will find this course extremely beneficial. - **Students in Related Fields**: If you are pursuing a degree in computer science, data science, or business systems, this course can provide practical skills that complement your academic knowledge. - **Career Changers**: If you're considering a transition into tech, this course equips you with foundational knowledge necessary for roles in data analysis, database administration, and more. In conclusion, the "Relational Database Systems" course on Coursera is a well-structured, hands-on learning experience that equips you with the essential skills to succeed in today’s data-driven world. Sign up today, and take the first step towards mastering relational databases!

Syllabus

Information Systems

In the first module named information systems, we will learn how people, hardware, software, networks, techniques and procedures work together to automate transactional processes that companies need for their daily operations. Let's start!

The present module is focused on Conceptual Design. The learner will be able to create an Entity Relationship Diagram through the Conceptual Design from business requirements.

The present module is focused on Logical Design. The learner will be able to create an Relational Model from the entity-relationship diagram

The present module is focused on Physical Design. The learner will be able to create database objects with data definition language from the Structured Query Language.

The present module is focused on Data Manipulation Language on SQL programming to feed and query relational database objects.

The present module is focused on query optimization according to type of information systems.