Foreign key laravel migration

Laravel foreign key

Schema::table('posts', function (Blueprint $table) {
    $table->unsignedBigInteger('user_id');

    $table->foreign('user_id')->references('id')->on('users');
});
OR
Schema::table('posts', function (Blueprint $table) {
    $table->foreignId('user_id')->constrained();
});

Make a forign key in migrations using laravel 8

$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');

Foreign key laravel migration

$table->foreign('column_name')->references('id')->on('table_name')->onDelete('cascade');

Create foreign key laravel migration

Schema::table('posts', function (Blueprint $table) {
    $table->unsignedBigInteger('user_id');

    $table->foreign('user_id')->references('id')->on('users');
});

Laravel foreign key constraint

public function up()
{
    Schema::create('replies', function (Blueprint $table) {
        $table->bigIncrements('id');
        $table->text('body');
        $table->unsignedBigInteger('question_id');
        $table->integer('user_id')->unsigned();
        $table->foreign('question_id')->references('id')->on('questions')->onDelete('cascade');
        $table->timestamps();
    });
}

Source: stackoverflow.com

Laravel 8 foreign key migration

use Illuminate\Database\Schema\Blueprint;use Illuminate\Support\Facades\Schema;Schema::table('posts', function (Blueprint $table) {
    $table->unsignedBigInteger('user_id');

    $table->foreign('user_id')->references('id')->on('users');
});

Source: laravel.com

Similar codes

3 votes53 views1 answer
Laravel go back
PHP
2 votes91 views2 answers
Sort a multidimensional array by date element in php
PHP
18 votes91 views2 answers
Reload page in php
PHP
0 vote101 views1 answer
Padding number in php
PHP
0 vote114 views2 answers
Wp max revisions
PHP Wordpress
0 vote107 views1 answer
How to get name through id from mysql using php
PHP
0 vote63 views1 answer
Laravel secure route
PHP Laravel
1 vote97 views1 answer
Wordpress get page slug
PHP
3 votes114 views2 answers
Current user laravel
PHP Laravel
4 votes125 views2 answers
Eloquent first
PHP