Simply storing Unicode data has always been possible with c-treeDB, provided the application treated the data as binary and performed any necessary translations. In this case using the stored Unicode data as a segment of an index was difficult since c-treeDB had no way of knowing how the underlying binary data was encoded: UTF-8. UTF-16, ASCII, etc.
c-treeDB now provides support for Unicode fields. This support includes:
Review the complete documentation in the c-treeDB C and C++ Developer Guides for complete information on this new c-treeDB feature.