We are creating a controller that will fetch all data of table.

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
class Query_Controller extends Controller
{
    public function index()
    {
        $data = DB::table('employee')->get();
        echo "<pre>";
        print_r($data->toArray());

    }
}

We creating controller that allow us to perform all crud operation on account or profile.

<?php

namespace App\Http\Controllers;

use App\Http\Requests\ProfileUpdateRequest;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Redirect;
use Illuminate\View\View;

class ProfileController extends Controller
{
    /**
     * Display the user's profile form.
     */
    public function edit(Request $request): View
    {
        return view('profile.edit', [
            'user' => $request->user(),
        ]);
    }

    /**
     * Update the user's profile information.
     */
    public function update(ProfileUpdateRequest $request): RedirectResponse
    {
        $request->user()->fill($request->validated());

        if ($request->user()->isDirty('email')) {
            $request->user()->email_verified_at = null;
        }

        $request->user()->save();

        return Redirect::route('profile.edit')->with('status', 'profile-updated');
    }

    /**
     * Delete the user's account.
     */
    public function destroy(Request $request): RedirectResponse
    {
        $request->validateWithBag('userDeletion', [
            'password' => ['required', 'current_password'],
        ]);

        $user = $request->user();

        Auth::logout();

        $user->delete();

        $request->session()->invalidate();
        $request->session()->regenerateToken();

        return Redirect::to('/');
    }
}

We creating a controller that will fetch or get data from table where address is india.

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
class Query_Controller extends Controller
{
    public function index()
    {

        $data = DB::table('employee')->where('address', 'india')->get();
        echo "<pre>";
        print_r($data->toArray());

    }
}

We creating a controller that will return string data.

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class Home_Controller extends Controller
{
    public function index($value='')
    {
        return "Wellcome to Home Controller <br>Value is :".$value;
    }

    public function show($value='')
    {
        return "Wellcome to Home Controller <br>Value is :".$value;
    }

    public function edit($value='')
    {
        return "Wellcome to Home Controller <br>Value is :".$value;
    }
}

We creating a controller that will load view with data

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class View_Load_Controller extends Controller
{
    public function index($value='')
    {
        return view('load_view_page')->with(['value'=>$value]);
    }
}