You want to create a migration that adds a nullable 'bio' text column to the existing 'users' table. Which up() method code is correct?

hard📝 state output Q15 of 15

Laravel - Database Basics and Migrations

You want to create a migration that adds a nullable 'bio' text column to the existing 'users' table. Which up() method code is correct?

ASchema::table('users', function (Blueprint $table) { $table->text('bio')->nullable(); });

BSchema::create('users', function (Blueprint $table) { $table->text('bio')->nullable(); });

CSchema::modify('users', function (Blueprint $table) { $table->text('bio')->nullable(); });

DSchema::addColumn('users', 'bio', 'text')->nullable();

Step-by-Step Solution

Solution:

Step 1: Understand how to modify existing tables
To add a column to an existing table, use Schema::table with a closure defining the new column.
Step 2: Evaluate each option
Schema::table('users', function (Blueprint $table) { $table->text('bio')->nullable(); }); correctly uses Schema::table and adds a nullable text column. Schema::create('users', function (Blueprint $table) { $table->text('bio')->nullable(); }); tries to create a new table, which is wrong. Options A and D use invalid Schema methods.
Final Answer:
Schema::table('users', function (Blueprint $table) { $table->text('bio')->nullable(); }); -> Option A
Quick Check:
Use Schema::table to add columns [OK]

Quick Trick: Use Schema::table to change existing tables [OK]

Common Mistakes:

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