我如何在Laravel 5.2中申请加入

Question

我如何在laravel 5.2中编写此查询

SELECT institutes.id,institutes.country,degrees.institute_id,degrees.course     
FROM institutes INNER JOIN degrees 
ON  institutes.id=degrees.institute_id 
WHERE degrees.course ='master' AND institutes.country='america'

研究所模式

protected $table = 'institutes';

protected $fillable = [
    'user_id','email', 'contact', 'country','about','name','city'

];


public function degree()
{
    return $this->hasMany('App\Degree','institute_id');

}

学位模型

protected $table = 'degrees';

protected $fillable = [
    'institute_id','description', 'course', 'fees','session','education_req'

];

Answer 1

您可以按照以下方式进行

$data = Institute::join('degrees','institute.id','=','degrees.institute_id')
->select('table_name.column_name')
->get();