Syntax error or access violation: 1071 Specified key was t oo long; max key length is 767 bytes code example

Example 1: laravel migation error

use Illuminate\Support\Facades\Schema;

public function boot()
{
    Schema::defaultStringLength(191);
}

Example 2: PDOException::("SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 1000 bytes") laravel 8

// Update your /app/Providers/AppServiceProvider.php to contain:

use Illuminate\Support\Facades\Schema;

public function boot()
{
    Schema::defaultStringLength(191);
}

//ON this error 
//   PDOException::("SQLSTATE[42S01]: Base table or view already exists: 1050 Table 'users' already exists")
// After run ->  php artisan migrate:fresh  <- ! Note this will reset all tables in db

Example 3: ERROR 1071 (42000) at line 76: Specified key was too long; max key length is 767 bytes laravel

'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',