Скачать или смотреть (27) What is Migrations in Laravel | Why we use Migrations in Laravel | How to Create them

Laravel Migrations ….What are they? Why use them? How to use?

If you’re unable to wrap your head around understanding Laravel Migrations, its really simple. Let me get straight into the Q & A.

First of all what is a Laravel Migration?

Simply put, Laravel migration is a way that allows you to create a table in your database, without actually going to the database manager such as phpmyadmin or sql lite or whatever your manager is.

Why should you consider doing a Migration when you already have the ability to create the tables directly?

The whole point in doing Laravel Migrations is the ability to perform sort of a version control to your database. So, actually when you can revert back to previous version or deploy the next version for your tables why don’t you consider doing migrations? you’re probably like “pssst…Is it just that?” Ofcourse not!

Imagine this : You’re working with a team & suddenly a new idea strikes, so you have to alter the table structure right now. What do you do?

Well, you probably pass around the .sql file around & that Joseph there was busy texting his gf that he forgot to import that .sql file & it so happened that the application was broken & you’re pissed at him.

Actually by doing migrations, you can essentially tackle the team collaboration issues as concerned with databases.

Migrations allow you to add or drop fields in your database without deleting the records already present.

How is it possible?

Laravel keeps a track of which migrations have already been executed within the table. This way, it will only do new additions or deletions of columns based off of your requests.

Ok Cool. Let me give it a try, how should I get started?

Step-1: The first step is to first create a migration file. This command basically creates a file in which you can define the structure of the table you wanna create.

Do this in your command prompt:

php artisan make:migration create_articles_table --create=articles
the “create” suggests that you need to create a table whose name is “articles”. “create_articles_table” is a name for the migration.

Step-2: Specify what is to be done when you run a migration.This usually would mean either adding a column or 2 or howsoever. In my tutorial, I wanna add 2 fields such as “name” and “content” for the article. Usually the migration file comes along with the “id” & “timestamps” fields by default.

Anything you want to execute during a migration goes inside the “up” method While, anything that needs to be reverted after migration goes inside the “down” method.

Once you’re done adding whatever you want to add, then its time for you to run the migration.

Step-3: Run the migration.

php artisan migrate
This is the basic idea of creating a table using migrations. Easy, isn’t it?

I need more support. How do I get more?

Check out my tutorial on laravel on my YouTube channel.

Laravel series goal:
My goal with this Laravel series is to create a guide for those just learning Laravel. This guide will take you from the very beginning of an idea into a real deployable application.

Do you want to get learn more about the laravel, let's take eye on given below series.

Stripe Integration with Laravel cashier
   • Laravel Tips  
Laravel step by step guide
   • Laravel step by step guide  
Laravel Advance series
   • Laravel Advance Features  
Laravel Multi role authentication
   • Laravel Multi Role Authentication  
Laravel fullCalendar js series
   • FullCalendar js in Laravel  
Laravel Solutions series
   • Laravel Solutions  

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