<?php
// @codingStandardsIgnoreFile

global $wpdb;

if ( $wpdb->last_error ) {
	return $wpdb->last_error;
}

$example = "{$wpdb->prefix}plugin_name_example";

// list of sql queries to add and modify tables or insert seed data.

$queries = array(
	"CREATE TABLE `$example` (
	  `id` int(10) UNSIGNED NOT NULL,
	  `data` mediumblob
	) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_520_ci;",
);

foreach ( $queries as $query ) {
	$wpdb->query( $query );

	if ( $wpdb->last_error ) {
		return $wpdb->last_error;
	}
}

// return sql error string or false

return false;