Laravel 8 foreign key

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();
});

Foreign key in laravel migration

$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');

Laravel before migration

Schema::table('users', function ($table) {
    $table->string('email')->after('id')->nullable();
});

Create foreign key laravel migration

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

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

Laravel 8 foreign key

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

Source: laravel.com

Similar codes

0 vote244 views1 answer
Single row data from table in laravel
PHP Laravel
0 vote248 views1 answer
Change request value laravel
PHP Laravel
1 vote197 views3 answers
Required_if laravel
PHP Laravel
0 vote237 views1 answer
How to use custome functions in laravel
PHP Laravel
7 votes221 views4 answers
$errors show this error in laravel
PHP Laravel
0 vote236 views1 answer
Laravel update all relations
PHP Laravel
0 vote244 views1 answer
Laravel array in lang
PHP Laravel
1 vote237 views3 answers
Convert date to timestamp in laravel builder
PHP Laravel
6 votes250 views1 answer
How to add new column in table laravel
PHP Laravel
1 vote259 views2 answers
Laravel gmail
PHP Laravel