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Sybase is developing a future release to add UCS-2 datatypes and the ability to have culturally expected sorting with a Unicode collation function. These can be combined with User Defined Functions (UDFs) and Abstract Data Types (ADT) as specified in SQL3 to make for very powerful data manipulations. All internal character processing for all installations will be in Unicode for lexical, parsing, sorting, and string functions.
Oracle is developing a future release to support UCS-2 data through the NATIONAL CHARACTER or NCHAR datatype of SQL3. Culturally expected indexes on tables will be enabled using a new Functional Index capability.
ADABAS is developing sophisticated compression for UCS2 using either Reuter's Compression Scheme for Unicode (RCSU) or n-codebook Huffman variants with "dynamic holes". They intend to provide a complete implementation of SQL3 NLS constructs including ADABAS extensions for high-level definable cultural sorting and mappings.
JDBC is currently being enhanced by many vendors and third party sources.Most vendors intend, or should, support the Unicode type binding in JDBC, ODBC, OLE DB, and their own interface libraries in the next year.
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