B2B-2148: Can no longer install when my database name has a dash in it

Author: joanhe

setup/src/Magento/Setup/Validator/DbValidator.php

@@ -142,7 +142,8 @@ public function checkDatabaseConnectionWithDriverOptions(
     private function checkDatabaseName(\Magento\Framework\DB\Adapter\AdapterInterface $connection, $dbName)
     {
         try {
-            $connection->query("SHOW TABLES FROM $dbName")->fetchAll(\PDO::FETCH_COLUMN, 0);
+            $query = sprintf("SHOW TABLES FROM `%s`", $dbName);
+            $connection->query($query)->fetchAll(\PDO::FETCH_COLUMN, 0);
             return true;
         } catch (\Exception $e) {
             throw new \Magento\Setup\Exception(