src/CarteBlanche/Library/StorageEngine/DatabaseAdapter/SqliteAdapter.php
public function isInstalled($db_name)
    {
        if (empty($dbname)) $dbname='default';
        return file_exists(CarteBlanche::getFullPath('db_dir') . CarteBlanche::getConfig($dbname.'_database.db_name'));
    }
public function isInstalled($db_name)
    {
        if (empty($dbname)) $dbname='default';
        return file_exists(CarteBlanche::getFullPath('db_dir') . CarteBlanche::getConfig($dbname.'_database.db_name'));
    }
Is the database installed

@return bool