def dash_to_camelcase(keyword):
    """Change dash '-' to CamelCase string in string

    param keyword: string which has to be modified as
            above

    return: string. Example one-two changes to OneTwo
    """
    parts = keyword.split('-')
    keyword = ''
    for part in parts:
        if part == 'db':
            part = 'DB'
        else:
            part = part.capitalize()
        keyword += part
    return keyword
