How to knit tables in Laravel
Learn how to join tables in Laravel with a practical example.
Knitting Tables in Laravel
In Laravel, you can create tables to store data quickly and efficiently. The table structure is defined in the migration files, and you can use the Schema Builder to make modifications to the table structure. Here's an example of how to create a table in Laravel:
Schema::create('users', function (Blueprint $table) {
$table->increments('id');
$table->string('name');
$table->string('email')->unique();
$table->string('password');
$table->rememberToken();
$table->timestamps();
});
In this example, we create a users table with four columns: id, name, email and password. The id column is an auto-incrementing integer, meaning it will increment automatically whenever a new record is inserted into the table. The name and email columns are strings, and the email column is also marked as unique, meaning it must be unique for each row in the table. The password column is also a string.
Once the table structure has been defined in the migration file, you can use the Schema Builder to make modifications to the table structure. For example, if you want to add a new column to the table, you can use the Schema Builder to do so:
Schema::table('users', function (Blueprint $table) {
$table->string('address')->nullable();
});
In this example, we are adding an address column to the users table. The address column is a string and is marked as nullable, meaning that it can contain null values.
You can also use the Schema Builder to modify existing columns, or delete columns from the table. For example, if you want to rename a column, you can use the Schema Builder to do so:
Schema::table('users', function (Blueprint $table) {
$table->renameColumn('address', 'street');
});
In this example, we are renaming the address column to street. You can also use the Schema Builder to delete columns, or even entire tables, from the database.
Once the table structure has been defined and modified, you can use the Eloquent ORM to interact with the database. Eloquent provides a simple, expressive API for working with the database. You can use Eloquent to create, update, and delete records from the database, as well as to query for records in the database.
In summary, you can use Laravel's schema builder and Eloquent ORM to quickly create, modify, and interact with database tables. By using the Schema Builder and Eloquent ORM, you can quickly and easily create tables, modify table structure, and query and manipulate data in the database.