The A to Z of Chinese characters is Jao Strokes. It means that using and building a Chinese database is not easy at all. It shows that the reusability is very hard for printed books in Chinese. Z. Thus, the function of index is not an issue at all. However, Chinese characters are scripts.
Chinese characters are graphical.
Thus, how to set indexing on scripts has always been a challenge. For the past fifty years, all kind of methods were developed and invented to over come the Chinese Indexing issues, i.e. Pinyin Method, Phonetic Method, Counting Strokes Method, etc. Never the less, none has yet met the needs for Chinese Indexing. Moreover, just about all of the people have problems in arranging Chinese business cards. Furthermore, if one would just pay attention to any Chinese books or any Chinese Internet sites, it would be obvious that the Chinese indexing part is missing.