Laravel 7 Joins clause Example Tutorial

Today, We want to share with you Laravel 7 Joins clause Example Tutorial.In this post we will show you PHP Laravel 7 Inner Join Query Example, hear for PHP Laravel 7 TABLE JOINS (INNER, LEFT, RIGHT, AND OUTER JOINS) we will give you demo and example for implement.In this post, we will learn about Laravel 7 Inner Join with Multiple Conditions Example using Query Builder with an example.

Laravel 7 Joins clause Example Tutorial

There are the Following The simple About Laravel 7 Joins & Sub Query Joins Example Tutorial Full Information With Example and source code.

As I will cover this Post with live Working example to develop laravel left join multiple conditions 7, so the join with where clause in laravel 7 is used for this example is following below.

Table of Contents

Normally there are 4 types of Laravel 7 join. such as Inner Join, Left Join, Right Join and Cross Join. so here Advanced Join as well as Sub-Query Join are possible using the PHP Frameworks Like as laravel 7.

  • Laravel 7 Inner Join Clause
  • Laravel 7 Left Join / Right Join Clause
  • Laravel 7 Cross Join Clause
  • Laravel 7 Advanced Join Clauses
  • Laravel 7 Sub-Query Joins

Inner Join Clause

two tables, cases and questions.

$case = Case::join('questions', 'questions.case_id', '=', 'cases.id')
->select('cases.*')
->get();

Laravel 7 Left Join / Right Join Clause

Left Join Clause

Case::leftJoin('questions', 'questions.case_id', '=', 'cases.id')
       ->select('cases.*')
       ->get();

Right Join Clause

 Case::rightJoin('questions', 'questions.case_id', '=', 'cases.id')
       ->select('cases.*')
       ->get();

Cross Join Clause

using Laravel 7 Cross Join

Case::crossJoin('questions')
     ->get();

Advanced Join Clauses with Laravel 7

use a “where” style clause

DB::table('cases')
        ->join('surfaces', function ($join) {
            $join->on('cases.id', '=', 'surfaces.case_id')
                 ->where('surfaces.case_id', '>', 5);
        })
        ->get();

Laravel 7 Sub-Query Joins

Sub-Query Joins with Laravel 7

DB::table('questions')
->select('case_id', DB::raw('MAX(created_at) as last_post_created_at'))
->where('is_published', true)->groupBy('case_id');

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