protected $_strings = [
		'create' => "INSERT INTO {:source} ({:fields}) VALUES ({:values});{:comment}",
		'update' => "UPDATE {:source} SET {:fields} {:conditions};{:comment}",
		'delete' => "DELETE {:flags} FROM {:source} {:conditions};{:comment}",
		'join' => "{:mode} JOIN {:source} {:alias} {:constraints}",
		'schema' => "CREATE TABLE {:source} (\n{:columns}{:constraints}){:table};{:comment}",
		'drop'   => "DROP TABLE {:exists}{:source};"
	];