Video description
Start on the road to mastery of SQL and databases: two of the most important topics in IT. In this video, SQL expert Allen G Taylor covers the basics of SQL. Part 1 explains where SQL came from, why data should be organized, and the value of databases as a tool. Part 2 is an overview of the relational model, and explains the concept of functional dependencies and the role of keys in a database table. Part 3 explores the data processing chain and DBMS. Finally, Part 4 describes entity-relationship models and how they operate within existing business rules.
After watching Introducing SQL and Relational Databases, you will understand how SQL and databases work and be ready for Allen Taylor's next video demonstrating how to build and maintain a basic database.
What You Will Learn
- Discover the importance of the relational database model
- Become comfortable with the terminology used by database practitioners
- Work with the structure of relational databases
- Avoid data anomalies using normalization
Who This Video Is For
Programmers who are new to databases, as well as non-programmers who must retrieve information from databases.
Table of contents
- What Is SQL and Why Is It Important? 00:03:55
- SQL, An international Standard Database Language 00:03:55
- Why Data is Stored in Databases 00:02:18
- The Needle in a Haystack Problem 00:02:01
- The Structure of a Relational Database 00:02:16
- The Relational Model 00:02:16
- Nomenclature Confusion 00:02:53
- Functional Dependencies 00:02:26
- Keys 00:02:48
- Modification Anomalies 00:03:58
- Normalization 00:07:29
- The Components of a Data Processing Chain 00:02:31
- The Front End of the Chain 00:02:31
- The Back End of the Chain 00:03:30
- Designing a Database with Entity-Relationship Model 00:10:27
- A Database is a Model of a Physical or Conceptual System 00:10:27
- Converting an E-R Model into a Relational Model 00:03:01
- Business Rules and Constraints 00:04:37
Product information
- Title: Introducing SQL and Relational Databases
- Author(s):
- Release date: September 2018
- Publisher(s): Apress
- ISBN: 9781484238417
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