laravel foreign key
Schema::table('posts', function (Blueprint $table) {
$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users');
});
OR
Schema::table('posts', function (Blueprint $table) {
$table->foreignId('user_id')->constrained();
});laravel where is null
DB::table('users') ->whereNull('name') ->get();laravel change column
Schema::table('users', function (Blueprint $table) {
$table->string('name', 50)->nullable()->change();
});laravel drop column
// To drop a column, use the dropColumn method on the schema builder.
// Before dropping columns from a SQLite database, you will need to add
// the doctrine/dbal dependency to your composer.json file and run the
// composer update command in your terminal to install the library:
Schema::table('users', function (Blueprint $table) {
$table->dropColumn('votes');
});integer nullable laravel
$table->integer('banner_id')->nullable()->unsigned();migrations required field laravel
$table->string('foo')->nullable(false)->change();Copyright © 2021 Codeinu
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