user_registration.install

<?php

/**
 * @file
 * Install, schema functions for the user_registration module.
 */


/**
 * Implements hook_schema().
 *
 * Defines the database tables used by this module.
 *
 * @see hook_schema()
 *
 * @ingroup user_registration
 */
function user_registration_schema() {
  $schema['user_custom_details'] = [
    'description' => 'Table about custom data info',
    'fields' => [
      'id' => [
        'type' => 'serial',
        'not null' => TRUE,
        'unsigned' => TRUE,
        'description' => 'Primary Key: Unique Record ID.',
      ],
      'full_name' => [
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Full Name',
      ],
      'phone_number' => [
        'type' => 'varchar',
        'length' => 30,
        'not null' => TRUE,
        'description' => 'Phone Number',
      ],
    ],
    'primary key' => ['id'],
  ];

  return $schema;
}