nullable laravel
You can. Laravel allows a lot of method-chaining. Each of the column methods is defined to return the same Blueprint object, so you can easily call another ... , Set the country_id and the state_id nullable, like so. $table->integer('country_id')->nullable()->unsigned(); ...
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 nullable laravel 相關參考資料
Database: Migrations - Laravel - The PHP Framework For Web Artisans
$table->softDeletes();, Adds a nullable deleted_at TIMESTAMP equivalent ... For example, to make the column "nullable", you may use the nullable method: https://laravel.com Laravel - unsigned with nullable - Stack Overflow
You can. Laravel allows a lot of method-chaining. Each of the column methods is defined to return the same Blueprint object, so you can easily call another ... https://stackoverflow.com Laravel Database Schema, Nullable Foreign - Stack Overflow
Set the country_id and the state_id nullable, like so. $table->integer('country_id')->nullable()->unsigned(); ... https://stackoverflow.com Laravel Migration Change to Make a Column Nullable - Stack Overflow
source: http://laravel.com/docs/5.0/schema#changing-columns. Laravel 4 does not .... Now in your migration you can do this to make the column nullable: https://stackoverflow.com Laravel 表单验证规则：required、present 、filled 和nullable - LearnKu
三个概念在解释这四个验证规则前，需要明晰三个概念——空值（empty）、输入数据（input data）和验证字段（filed under validation）。 空值在Laravel 中，一个字段值 ... https://learnku.com Make column not nullable in a Laravel migration - Stack Overflow
Prior to Laravel 5 there was no Laravel native way of altering an existing table column using the schema builder. You'd need to use raw queries for this. https://stackoverflow.com Schema Builder - Laravel - The PHP Framework For Web Artisans
->nullable(), Designate that the column allows NULL values. ->default($value), Declare a default value for a column. ->unsigned(), Set INTEGER to UNSIGNED ... https://laravel.com 結構生成器- Laravel - 為網頁藝術家創造的PHP 框架
Laravel 的 結構生成器 提供一個產生資料表可與資料庫無關的方法，它可以很好的處理Laravel 支援的各種資料庫類型，並且在 .... ->nullable(), 標示此欄位允許NULL. https://laravel.tw 資料庫: 遷移- Laravel - 為網頁藝術家創造的PHP 框架
Laravel 的 Schema facade 提供了在資料庫建立和操作資料表的相關支援。它對所有Laravel 所支援 ..... 例如，若要讓欄位「nullable」，那麼你可以使用 nullable 方法： https://laravel.tw |