create table files (
    id                  text not null primary key,
    name                text not null default '',
    content_type        text not null default '',
    storage_path        text not null default '',
    storage_filename    text not null default '',
    date_created        numeric not null default current_timestamp,
    date_updated        numeric not null default 0,
    content             blob,
    _version            text not null
);