Module 17 Introduction

This is an introduction to the bonus work we'll be doing in Module 17.0.

Project Source Code

Get the project source code below, and follow along with the lesson material.

Download Project Source Code

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  • [00:00 - 00:10] So far, we have been using MongoDB as our database of choice. No SQL databases like MongoDB use a dynamic schema for unstructured or polymorphic data.

    [00:11 - 00:21] This offers developer great flexibility when building apps that needs to evolve constantly. SQL databases on the other hand use a defined schema for structured data.

    [00:22 - 00:34] This offers developer consistency at the expense of flexibility. Therefore, if you value structure more than flexibility, you just might prefer a SQL database over a no SQL database.

    [00:35 - 00:47] So in this module, we're going to compare those two types of databases using some live data, install Postgres and learn some basic SQL, convert our apps to use Postgres as our database.