Mindaugas,

> I still do not know the difference between SQL_VARCHAR and QL_NVARCHAR

In MS-SQL:

CHAR - Fixed length ASCII field (1 byte per character).
VARCHAR - Variable length ASCII field (1 byte per character).
NCHAR - Fixed length UNICODE field (2 bytes per character).
NVARCHAR - Variable length UNICODE field (2 bytes per character).

  Chen.

PS. Had just finished reading through 166 Harbour digests, and back online with 
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