start index of sql table from 5000 laravel code example

Example 1: 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();
});

Example 2: datetime-local laravel migration data type

public function getDateStartAttribute($value)
{
    return Carbon::parse($value)->format('Y-m-d\TH:i');
}

public function getDateEndAttribute($value)
{
    return Carbon::parse($value)->format('Y-m-d\TH:i');
}