foreign key laravel migration
$table->foreign('column_name')->references('id')->on('table_name')->onDelete('cascade');foreign key laravel migration
$table->foreign('column_name')->references('id')->on('table_name')->onDelete('cascade');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');
});laravel migration constrained
Schema::table('posts', function (Blueprint $table) {
$table->foreignId('user_id')->constrained();
});
/* The foreignId method is an alias for unsignedBigInteger while the
* constrained method will use conventions to determine the table and
* column name being referenced. If your table name does not match
* Laravel's conventions, you may specify the table name by passing it
* as an argument to the constrained method:
*/
Schema::table('posts', function (Blueprint $table) {
$table->foreignId('user_id')->constrained('users');
});Copyright © 2021 Codeinu
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