See: http://css-tricks.com/forums/topic/looking-for-suggestions-mysql-and-php/

functions.php

<?php
/**
 *  Reviews Custom Post Type 
 */
function reviews_custom_post_type() {
  # Custom Labels
  $labels = array(
    'name'                => 'Reviews',
    'singular_name'       => 'Review',
    'menu_name'           => 'Reviews',
    'parent_item_colon'   => 'Parent Review:',
    'all_items'           => 'All Reviews',
    'view_item'           => 'View Review',
    'add_new_item'        => 'Add New Review',
    'add_new'             => 'Add New',
    'edit_item'           => 'Edit Review',
    'update_item'         => 'Update Review',
    'search_items'        => 'Search Review',
    'not_found'           => 'Not found',
    'not_found_in_trash'  => 'Not found in Trash',
  );
  # Custom Arguments
  $args = array(
  	'label'               => 'reviews',
  	'description'         => 'Reviews Description',
  	'labels'              => $labels,
  	'supports'            => array(	'title', 'editor', 'excerpt',
  					'author', 'thumbnail', 'comments',
  					'trackbacks', 'revisions', 'custom-fields',
  					'page-attributes', 'post-formats', ),
  	'taxonomies'          => array( 'category', 'post_tag' ),
  	'hierarchical'        => false,
  	'public'              => true,
  	'show_ui'             => true,
  	'show_in_menu'        => true,
  	'show_in_nav_menus'   => true,
  	'show_in_admin_bar'   => true,
  	'menu_position'       => 5,
  	'can_export'          => true,
  	'has_archive'         => true,
  	'exclude_from_search' => false,
  	'publicly_queryable'  => true,
  	'capability_type'     => 'page',
  );
  # Register Custom Post Type 'reviews'
  register_post_type( 'reviews', $args );
}
# Hook into the 'init' action
add_action( 'init', 'reviews_custom_post_type', 0 );

instructions.md

1. Open functions.php and add following code.
2. Now log into WP Admin and you should see "Reviews" as one of the menu items. Add few entries, add title, feature image and content. See Image 1 Image 2
3. Now to request the data created, we can create a template or use WP_Query. In this case I decided to use WP_Query, code. You can insert this code in whatever template you're trying to modify.
4. Lets add some Meta Data by Installing ACF
5. Once installed you'll see "Custom Fields" menu item show up. Image .
6. Add Meta data. Image 1 Image 2 .
7. Scroll Down... Next you need to associate this Data with the Custom Post Type of 'reviews' we created earlier in step #1. Image
8. Next go to Reviews and edit one of the entries. You'll see additional Meta Data field now associated with that post. Edit it and hit Update. Image

template-reviews.php

<?php
$query_arguments = array('post_type' => 'reviews', 'orderby' => 'id');
$reviews_query = new WP_Query( $query_arguments );
# WordPress Loop
if ( $reviews_query->have_posts() ) {
	while ( $reviews_query->have_posts() ) {
		$reviews_query->the_post(); ?>
		<article>
			<h1><?php the_title(); ?></h1>
			<?php the_post_thumbnail(array(100,100)); ?>
			<?php the_content(); ?>
			<small>Rating: <?php the_field('review_rating'); ?></small>
			<hr>
		</article>
<?php } } else { echo '<h2>Nothing Found</h2>'}
wp_reset_postdata();
?>