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();
});create foreign key laravel migration
Schema::table('posts', function (Blueprint $table) {
$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users');
});laravel remove foreign key
$table->dropForeign('posts_user_id_foreign');Laravel adding Foreign Key Constraints
$table->foreignId('user_id')
->constrained("users") <- // You don't need to specify table if it matched laravel naming conventions.
->onUpdate('cascade')
->onDelete('cascade');foreign key string laravel
Schema::table('portfolios', function (Blueprint $table) {
$table->string('filter_alias');
$table->foreign('filter_alias')->cascadeOnDelete()->references('alias')->on('filters');
});Copyright © 2021 Codeinu
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