second attempt

Author: thule129

database/migrations/task1/2021_11_08_091231_create_tasks_table.php

@@ -15,7 +15,7 @@ public function up()
     {
         Schema::create('tasks', function (Blueprint $table) {
             $table->id();
-            $table->bigInteger('user_id');
+            $table->bigIncrements('user_id');
             $table->foreign('user_id')->references('id')->on('users');
             $table->string('name');
             $table->timestamps();

database/migrations/task10/2021_11_09_090858_create_visitors_table.php

@@ -16,7 +16,7 @@ public function up()
         // TASK: edit this migration so country_id would allow NULL values
         Schema::create('visitors', function (Blueprint $table) {
             $table->id();
-            $table->foreignId('country_id')->constrained()->nullable();
+            $table->foreignId('country_id')->nullable()->constrained();
             $table->string('ip_address');
             $table->timestamps();
         });

database/migrations/task9/2021_11_09_090018_rename_name_in_companies_table.php

@@ -16,7 +16,7 @@ public function up()
         // TASK: write the migration to rename the column "title" into "name"
         Schema::table('companies', function (Blueprint $table) {
             // Write code here
-            $table->renameColumn('title', 'name')
+            $table->renameColumn('title', 'name');
         });
     }