wordpress database queries format

Writing Custom Queries in WordPress

Format
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$result = $wpdb->get_results(query); // any query inside it.

or

$wpdb->query(query here)

// Select table
global $wpdb;
$tables = $wpdb->get_results(“show tables like ‘{$wpdb->prefix}woocommerce_bonus_point'”);

// Create table

global $wpdb;

if ( ! empty($wpdb->charset) )
$charset_collate = “DEFAULT CHARACTER SET $wpdb->charset”;
if ( ! empty($wpdb->collate) )
$charset_collate .= ” COLLATE $wpdb->collate”;

$wpdb->query(“CREATE TABLE {$wpdb->prefix}woocommerce_bonus_point (
bonus_point_id bigint(20) unsigned NOT NULL auto_increment,
bonus_point_type varchar(255) default NULL,
bonus_point_type_name varchar(255) default NULL,
bonus_point_type_value bigint(20),
bonus_point_type_real_name varchar(255) default NULL,
PRIMARY KEY    (bonus_point_id)
) $charset_collate;”);

// Select table fields

global $wpdb;
$table = $wpdb->prefix.”usermeta”;  // Here “usermeta” table
$users = $wpdb->get_results(“SELECT DISTINCT(user_id) FROM $table WHERE meta_key =’last_name'”);