01 - Sequelize intro
In this module, we'll introduce Sequelize, a tool that helps us build models to map to our database.
Orientation
Here is where we'll be:
What is Sequelize?
Sequelize is a promise-based ORM for Node.js. It supports several different SQL dialects, including PostgreSQL, MySQL, SQLite, and MSSQL. Essentially, one of the main features of Sequelize is that it allows developers to communicate between the server and the database more fluidly.
Take a minute to study the following diagram:
As you can see, Sequelize does the work of communicating between the Server application and the database.
Packages
If you look in your package.json, you'll see that we have a few packages for using Postgres and Sequelize. The sequelize package relies on the pg package to connect to Postgres.
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