English | MP4 | AVC 1280×720 | AAC 44KHz 2ch | 0h 54m | 200 MB
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
01 SQL, An international Standard Database Language
02 Why Data is Stored in Databases
03 The Needle in a Haystack Problem
04 The Relational Model
05 Nomenclature Confusion
06 Functional Dependencies
07 Keys
08 Modification Anomalies
09 Normalization
10 The Front End of the Chain
11 The Back End of the Chain
12 A Database is a Model of a Physical or Conceptual System
13 Converting an E-R Model into a Relational Model
14 Business Rules and Constraints
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